Question

fast fast ★★★★☆/fɑ͟ːst, fæ̱st/1[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词]快的；迅速的 Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed.   [ADV with v]...fast cars with flashing lights and sirens...闪着灯、鸣着笛、飞速行驶的车辆Brindley was known as a very, very fast driver...众所周知，布林德利是个喜欢飞车的人。The party aims to attract votes from the business and professional communities, which want a faster pace of political reform...该党的目标是吸引商界和专业社群的选票，因为这两个群体都希望加快政治改革的步伐。The only question is how fast the process will be.唯一的问题是这个过程会有多快。Fast is also an adverb.They work terrifically fast...他们干活极快。It would be nice to go faster and break the world record...要是能再快一些、打破世界纪录就好了。He thinks they're not adapting fast enough...他认为他们适应得不够快。Barnes also knows that he is fast running out of time...巴恩斯也知道他的时间很快就要用完了。How fast were you driving?...你当时车开得有多快?How fast would the disease develop?这种病发展得有多快?2[ADV-GRADED	副词]迅速地；立即 You use fast to say that something happens without any delay.   [ADV after v]  [ADJ n]When you've got a crisis like this you need professional help — fast!...当你遇到这样的危急情况，就需要专业救援了——要快！We'd appreciate your leaving as fast as possible.如果您能尽快离开，我们将不胜感激。Fast is also an adjective.That would be an astonishingly fast action on the part of the Congress.那将会是由国会方面采取的迅雷不及掩耳的行动。3[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词](钟表)偏快的，走得快的 If a watch or clock is fast, it is showing a time that is later than the real time.   [v-link ADJ]That clock's an hour fast.那个钟快了一个小时。4[ADV-GRADED	副词]紧紧地；牢牢地；死死地 If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move.   [ADV after v]She climbed the staircase cautiously, holding fast to the rail...她紧紧地抓着栏杆，小心翼翼地爬楼梯。The tanker is stuck fast on the rocks.油轮紧卡在礁石中间动弹不得。5[ADV-GRADED	副词]坚定地；毫不动摇地 If you hold fast to a principle or idea, or if you stand fast, you do not change your mind about it, even though people are trying to persuade you to.   [ADV after v]We can only try to hold fast to the age-old values of honesty, decency and concern for others...我们只能努力坚守那些古老的价值观：诚实、正派、关心他人。He told supporters to stand fast over the next few vital days.他叫支持者在接下来的几个重要日子里站稳立场。6[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词](颜色或染料)不褪色的，不掉色的 If colours or dyes are fast, they do not come out of the fabrics they are used on when they get wet.   [usu v-link ADJ]The fabric was ironed to make the colours fast.为防止掉色，织物已经过熨烫。7[ADJ	形容词]骄奢淫逸的；刺激而快乐的 A fast way of life is one which involves a lot of enjoyable and expensive or dangerous activities.   [ADJ n]Life in Detroit no longer satisfied him； he wanted the fast life of California.他不再满意底特律的生活，想要过加利福尼亚那种刺激快乐的生活。8[VERB	动词]斋戒；禁食；绝食 If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest.   [V]I fasted for a day and half and asked God to help me.我斋戒了一天半，祈求上帝伸出援手。Fast is also a noun.The fast is broken at sunset, traditionally with dates and water.日落时开斋，按传统会吃椰枣、喝水。fasting...the Muslim holy month of fasting and prayer.穆斯林斋戒和祈祷的圣月9[PHRASE	短语]熟睡的；沉睡的 Someone who is fast asleep is completely asleep.   [v-link PHR]When he went upstairs five minutes later, she was fast asleep.他5分钟后上楼时，她已睡熟。10[PHRASE	短语]玩猫腻；玩弄 If you say that someone is playing fast and loose, you are expressing disapproval of them for behaving in a deceitful, immoral, or irresponsible way.   [V inflects]  [disapproval]There have been people who have played fast and loose with the rules.有人在玩弄这些规则。11[PHRASE	短语]欺骗；哄骗；愚弄 If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you.   [V inflects]  [INFORMAL 非正式]No doubt someone had pulled a fast one on her over a procedural matter.无疑有人在程序性问题上骗了她。12 to make a fast buck→see: buck； fast lane→see: lane；  fast1 adjectivefast2 adverbfast3 verbfast4 nounfastfast1 /fɑːst $ fæst/ ●●● S2 W2 adjective  Entry menu Word Origin Examples Thesaurus Collocations Phrases 1moving quickly moving or able to move quickly:  a fast car He’s one of the fastest runners in the world.2in a short time doing something or happening in a short time:  The subway is the fastest way to get downtown. The company must give a faster response to clients’ requests. The rain forests are being chopped down at an alarmingly fast rate. I’m a fast learner.3clock [not before noun] a clock that is fast shows a later time than the real time:  That can’t be the time – my watch must be fast.five minutes/an hour etc fast I always keep my watch 15 minutes fast.4fast track a way of achieving something more quickly than is normally doneon the fast track a young actress on the fast track to fame and success5fast road a road on which vehicles can travel very quickly6fast film/lens a film or lens(2) that can be used when there is little light, or when photographing something that is moving very quickly7colour a colour that is fast will not change when clothes are washed →colourfast8sports a fast surface is one on which a ball moves very quickly9fast and furious done very quickly with a lot of effort and energy, or happening very quickly with a lot of sudden changes:  Arsenal’s opening attack was fast and furious.10somebody is a fast worker informal used to say that someone can get what they want very quickly, especially in starting a sexual relationship with another person11fast talker someone who talks quickly and easily but is often not honest or sincere12woman old-fashioned becoming involved quickly in sexual relationships with men:  fast cars and fast women13fast friends literary two people who are very friendly for a long time →fast food, fast-forward, fast lane, → make a fast buckat buck1(1), → pull a fast oneat pull1(10)THESAURUSfast moving or able to move quickly: · The cheetah is the fastest animal in the world.· a fast carquick moving fast or doing something in a short time: · He was much quicker than I was over the first 100 metres.· Do I have time for a quick shower?high-speed [only before noun] designed to travel or operate very quickly: · a high-speed train· high-speed Internet accessrapid especially written happening in a short period of time – used about changes, increases, improvements etc: · a rapid increase in the population· the rapid expansion of the firm’s business in the Middle East· a rapid decline in profitsswift written moving quickly or happening after only a short time: · The horses ran along the track at a swift trot.· He received a swift response to his letter.brisk quick and energetic: · a brisk walk in the countryside· His manner was very brisk.speedy [only before noun] happening after only a short time: · Everyone wishes you a speedy recovery.· a speedy resolution to the problemhurried done more quickly than usual, because you do not have much time: · She ate a hurried breakfast in the cafe before catching her train.· We made a hurried departure.hasty deciding or doing something very quickly, especially when this has bad results: · It was a hasty decision, which he later regretted.· Let’s not be too hasty.fast1 adjectivefast2 adverbfast3 verbfast4 nounfastfast2 ●●● S2 W3 adverb  Entry menu Examples Thesaurus Collocations Phrases 1moving quickly moving quickly:  Slow down – you’re driving too fast. a fast-moving river Johnny ran off as fast as his legs could carry him  (=running as quickly as he could).► see thesaurus at quickly2in a short time happening in a short time:  Kids grow up fast these days. The survivors needed help fast. How fast can you get the job done?fast becoming/disappearing/approaching etc Access to the Internet is fast becoming a necessity. It all happened so fast I didn’t even notice I was bleeding.3fast asleep sleeping very deeply:  Nick was lying on the sofa, fast asleep.4be stuck/held fast to become or be firmly fixed and unable to move:  The boat was stuck fast in the mud. She tried to pull her hand free, but it was held fast.5be getting/be going nowhere fast informal to not succeed in making progress or achieving something:  I kept asking her the same question, but I was getting nowhere fast.6not so fast spoken used to tell someone not to be too eager to do or believe something:  Not so fast. We’ve got to prove it first, haven’t we?7make something fast to tie something such as a boat or tent firmly to something else8fast by something literary very close to something:  fast by the river → play fast and loose with somebodyat play1(32), → stand fastat stand1(25), → thick and fastat thick2(2)fast1 adjectivefast2 adverbfast3 verbfast4 nounfastfast3 verb [intransitive]  Word Origin Verb Table Examples Thesaurus Collocations Phrases  to eat little or no food for a period of time, especially for religious reasons:  Muslims fast during Ramadan.fast1 adjectivefast2 adverbfast3 verbfast4 nounfastfast4 noun [countable]  Examples Collocations Phrases  a period during which someone does not eat, especially for religious reasons:  Gandhi drank some orange juice to break (=end) his three-week  fast.

Accepted Answer

jEPoK/1xFvkT+4I2iOf8EYElFYjVD9pz1mE6NvTXincChAeSZLj/xJBCo6/a1i3iHt5gYiD87Hl2bELy97NRcDR1KofrgF5hhcgVmbYURJWccXB5J4SCQa/PcrkMjZdOsfGyPW6p2Te1EZt06cvHXMlA+dqwGMDCeMncKcTSfF0=             fast              ★                    /        fɑːst                ;          NAmE                fæst                /                              adjective                ,                  adverb                ,                  verb                ,                  noun                            fast      fasts      fasted      fasting      faster      fastest                            adjective        ★                                  (              fast·er        ,        fast·est            )              quick        快速                    1        ★                  moving or able to move quickly            快的；迅速的；敏捷的                                    ◆          a fast car/horse          速度快的汽车╱马                          ◆          the world's fastest runner          世界最快的赛跑运动员                            2        ★                  happening in a short time or without delay            迅速发生的；立即发生的                                    ◆          the fastest rate of increase for years          多年来最高的增长率                          ◆          a fast response time          迅速的反应时间                            3        ★                  able to do sth quickly            动作迅速的；头脑灵活的                                    ◆          a fast learner          领悟快的学习者                            surface        物体表面                    4                  producing or allowing quick movement            可供快速运动的                                    ◆          a            fast road/pitch                    快车道；平整的球场                          ☞see also                                                    fast lane                                                                watch/clock        钟表                    5                  [not before noun          ]                          showing a time later than the true time            走得快                                    ◆          I'm early—my watch must be fast.          我早了，我的表肯定快了。                          ◆          That clock's ten minutes fast.          那座钟快十分钟。                            photographic film        照相胶片                    6                  (            technical              术语            )                    very sensitive to light, and therefore useful when taking photographs in poor light or of sth that is moving very quickly            感光快的                                      firmly fixed        牢牢固定                    7                  (of a boat, etc.          船等          )                          firmly fixed and safe            系牢的；稳固的                                    ◆          He            madethe boat            fast.                    他把船系牢了。                            colours in clothes        衣服颜色                    8                  not likely to change or to come out when washed            不褪色的                                              HELP       There is no noun related to      fast.Use      speedin connection with vehicles, actions, etc;      quicknessis used about thinking.              *fast 没有派生的名词。关于交通工具、行动等的速度用 speed ；关于思维则用 quickness。                    IDIOMS              fast and ˈfurious                              (of films/movies, shows, etc.            电影、演出等            )                                full of rapid action and sudden changes              情节节奏快且变化多端                                            ◆            In his latest movie, the action is fast and furious.            在他的最新电影中，情节起伏跌宕。                                      a fast ˈtalker                              a person who can talk very quickly and easily, but who cannot always be trusted              快嘴快舌但不可信赖的人                                                  a fast ˈworker                              (              informal)                        a person who knows how to get what they want quickly, especially when beginning a sexual relationship with sb              善于迅速达到目的的人；（尤指恋爱方面）善于一下子获得青睐的人                                                  ☞more at                                    buck                                   n.            ,                                    draw                                   n.            ,                                    hard                                   adj.            ,                                    pull                                   v.                                  adverb        ★                                  (              fast·er        ,        fast·est            )              quickly        快速                    1        ★                  quickly            快；快速；迅速                                    ◆          Don't drive so fast!          别把车开得这么快！                          ◆          How fast were you going?          当时你们走得有多快？                          ◆          I can't go any faster.          我不能走得更快了。                          ◆          The water was rising fast.          水迅猛上涨。                          ◆          Her heart beat faster.          她的心跳加快。                          ◆          (            formal)                    Night was fast approaching.          黑夜迅速降临。                          ◆          a fast-flowing stream          湍急的溪流                          ☞note at                                                    quick                                                                2        ★                  in a short time; without delay            不久；立即                                    ◆          Children grow up so fast these days.          如今孩子们长得真快。                          ◆          Britain is            fast becominga nation of fatties.                    英国不久就要变成一个胖子国了。                          ◆          The police said that they had reacted as fast as they could.          警方说他们已尽快作出了反应。                            firmly        牢固                    3        ★                  firmly; completely            牢固地；完全地                                    ◆          Within a few minutes she was            fast asleep            (= sleeping deeply).                    几分钟后她就沉睡了。                          ◆          The boat was            stuck fast            (= unable to move)in the mud.                    船深陷在淤泥里动弹不得。                                    HELP       There is no noun related to      fast.Use      speedin connection with vehicles, actions, etc;      quicknessis used about thinking.              *fast 没有派生的名词。关于交通工具、行动等的速度用 speed ；关于思维则用 quickness。                    IDIOMS              as fast as your ˌlegs can ˈcarry you                              as quickly as you can              尽快                                                  hold ˈfast to sth                              (              formal)                        to continue to believe in an idea, etc. despite difficulties              坚持（某种思想等）                                                  play fast and ˈloose (with sb/sth)                              (              old-fashioned)                        to treat sb/sth in a way that shows that you feel no responsibility or respect for them              反覆无常；若即若离；玩弄                                                  stand ˈfast/ˈfirm                              to refuse to move back; to refuse to change your opinions              坚定不移；不让步；不改变主张                                                  ☞more at                                    thick                                   adv.                                  verb                    [intransitive      ]              to eat little or no food for a period of time, especially for religious or health reasons        节食；禁食；斋戒                    ◆      Muslims fast during Ramadan.      伊斯兰教徒在斋月期间斋戒。                            noun                    a period during which you do not eat food, especially for religious or health reasons        禁食期；斋戒期                    ◆      to go on a fast      开始禁食              ◆      to break        (= end)your fast            开斋                  SYNONYMS 同义词辨析                                      fast / quick / rapid                      These adjectives are frequently used with the following nouns.              这些形容词常与下列名词连用：                                                          fast ~              quick ~              rapid ~                                      car              glance              change                                      train              look              growth                                      bowler              reply              increase                                      pace              decision              decline                                      lane              way              progress                                                                                                              ■                          Fastis used especially to describe a person or thing that moves or is able to move at great speed.                              *fast 尤用以描述高速运动的人或事物。                                                          ■                          Quickis more often used to describe something that is done in a short time or without delay.                              *quick 较常用以描述迅速或立即完成的事。                                                          ■                          Rapid,              swiftand              speedyare more formal words.                              *rapid、swift 和 speedy 较正式。                                                          ■                          Rapidis most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done.                              *rapid 最常用于描述事物变化的速度，而非运动或完成的速度：                                                    ◆              a rapid train                                                  ◆              We had a rapid coffee.                                            ■                          Swiftusually describes something that happens or is done quickly and immediately.                              *swift 通常用以描述事物发生或完成的速度快而及时：                                                    ◆              a swift decision              迅即作出的决定                                                  ◆              The government took swift action.              政府立即采取了行动。                                            ■                          Speedyhas a similar meaning.                              *speedy 具有相似的意义：                                                    ◆              a speedy recovery              迅速康复                        It is used less often to talk about the speed at which something moves.              该词较少指事物运动速度快：                                      ◆              a speedy car                                            ■            For the use of              fastand              quickas adverbs, see the usage note at              quick.              关于 fast 和 quick 作副词的用法，见 quick 词条的用法说明。                                                      fast              /        fɑːst                ;          NAmE                fæst                /             fast[fɑ:st]fasted, fasting, fasts级别:faster, fastestCET4CET6TEM4考研GREr1097384195676122481106866302797v162437185212927380184j25781383821062717452229971496n304581752638493923ADV10321512425ADJ11041410192VERB1085346588NOUN1952813646Spoken:460148967faster[34319] fastest[6108] fasting[1155]快的(37%)，禁食(22%)，斋戒(17%)，迅速的(7%)，紧紧地(6%)，快速地(4%)，紧的(3%)，放荡的(3%)，深深地(1%)n.斋戒；绝食adj.快速的，迅速的；紧的，稳固的adv.迅速地；紧紧地；彻底地vi.禁食，斋戒n.(Fast)人名；(德、英、俄、芬、捷、瑞典)法斯特

word	fast
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Collins	fast ★★★★☆ /fɑ͟ːst, fæ̱st/ 1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]快的；迅速的 Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed. [ADV with v] ...fast cars with flashing lights and sirens... 闪着灯、鸣着笛、飞速行驶的车辆 Brindley was known as a very, very fast driver... 众所周知，布林德利是个喜欢飞车的人。 The party aims to attract votes from the business and professional communities, which want a faster pace of political reform... 该党的目标是吸引商界和专业社群的选票，因为这两个群体都希望加快政治改革的步伐。 The only question is how fast the process will be. 唯一的问题是这个过程会有多快。 Fast is also an adverb. They work terrifically fast... 他们干活极快。 It would be nice to go faster and break the world record... 要是能再快一些、打破世界纪录就好了。 He thinks they're not adapting fast enough... 他认为他们适应得不够快。 Barnes also knows that he is fast running out of time... 巴恩斯也知道他的时间很快就要用完了。 How fast were you driving?... 你当时车开得有多快? How fast would the disease develop? 这种病发展得有多快? 2 [ADV-GRADED 副词]迅速地；立即 You use fast to say that something happens without any delay. [ADV after v] [ADJ n] When you've got a crisis like this you need professional help — fast!... 当你遇到这样的危急情况，就需要专业救援了——要快！ We'd appreciate your leaving as fast as possible. 如果您能尽快离开，我们将不胜感激。 Fast is also an adjective. That would be an astonishingly fast action on the part of the Congress. 那将会是由国会方面采取的迅雷不及掩耳的行动。 3 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](钟表)偏快的，走得快的 If a watch or clock is fast, it is showing a time that is later than the real time. [v-link ADJ] That clock's an hour fast. 那个钟快了一个小时。 4 [ADV-GRADED 副词]紧紧地；牢牢地；死死地 If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move. [ADV after v] She climbed the staircase cautiously, holding fast to the rail... 她紧紧地抓着栏杆，小心翼翼地爬楼梯。 The tanker is stuck fast on the rocks. 油轮紧卡在礁石中间动弹不得。 5 [ADV-GRADED 副词]坚定地；毫不动摇地 If you hold fast to a principle or idea, or if you stand fast, you do not change your mind about it, even though people are trying to persuade you to. [ADV after v] We can only try to hold fast to the age-old values of honesty, decency and concern for others... 我们只能努力坚守那些古老的价值观：诚实、正派、关心他人。 He told supporters to stand fast over the next few vital days. 他叫支持者在接下来的几个重要日子里站稳立场。 6 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](颜色或染料)不褪色的，不掉色的 If colours or dyes are fast, they do not come out of the fabrics they are used on when they get wet. [usu v-link ADJ] The fabric was ironed to make the colours fast. 为防止掉色，织物已经过熨烫。 7 [ADJ 形容词]骄奢淫逸的；刺激而快乐的 A fast way of life is one which involves a lot of enjoyable and expensive or dangerous activities. [ADJ n] Life in Detroit no longer satisfied him； he wanted the fast life of California. 他不再满意底特律的生活，想要过加利福尼亚那种刺激快乐的生活。 8 [VERB 动词]斋戒；禁食；绝食 If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest. [V] I fasted for a day and half and asked God to help me. 我斋戒了一天半，祈求上帝伸出援手。 Fast is also a noun. The fast is broken at sunset, traditionally with dates and water. 日落时开斋，按传统会吃椰枣、喝水。 fasting ...the Muslim holy month of fasting and prayer. 穆斯林斋戒和祈祷的圣月 9 [PHRASE 短语]熟睡的；沉睡的 Someone who is fast asleep is completely asleep. [v-link PHR] When he went upstairs five minutes later, she was fast asleep. 他5分钟后上楼时，她已睡熟。 10 [PHRASE 短语]玩猫腻；玩弄 If you say that someone is playing fast and loose, you are expressing disapproval of them for behaving in a deceitful, immoral, or irresponsible way. [V inflects] [disapproval] There have been people who have played fast and loose with the rules. 有人在玩弄这些规则。 11 [PHRASE 短语]欺骗；哄骗；愚弄 If you say that someone has pulled a fast one on you, you mean that they have cheated or tricked you. [V inflects] [INFORMAL 非正式] No doubt someone had pulled a fast one on her over a procedural matter. 无疑有人在程序性问题上骗了她。 12 to make a fast buck→see: buck ； fast lane→see: lane ；
Oxford	fast ★ / fɑːst ; NAmE fæst / adjective , adverb , verb , noun fast fasts fasted fasting faster fastest adjective ★ ( fast·er , fast·est ) quick 快速 1 ★ moving or able to move quickly 快的；迅速的；敏捷的 ◆ a fast car/horse 速度快的汽车╱马 ◆ the world's fastest runner 世界最快的赛跑运动员 2 ★ happening in a short time or without delay 迅速发生的；立即发生的 ◆ the fastest rate of increase for years 多年来最高的增长率 ◆ a fast response time 迅速的反应时间 3 ★ able to do sth quickly 动作迅速的；头脑灵活的 ◆ a fast learner 领悟快的学习者 surface 物体表面 4 producing or allowing quick movement 可供快速运动的 ◆ a fast road/pitch 快车道；平整的球场 ☞see also fast lane watch/clock 钟表 5 [not before noun ] showing a time later than the true time 走得快 ◆ I'm early—my watch must be fast. 我早了，我的表肯定快了。 ◆ That clock's ten minutes fast. 那座钟快十分钟。 photographic film 照相胶片 6 ( technical 术语 ) very sensitive to light, and therefore useful when taking photographs in poor light or of sth that is moving very quickly 感光快的 firmly fixed 牢牢固定 7 (of a boat, etc. 船等 ) firmly fixed and safe 系牢的；稳固的 ◆ He madethe boat fast. 他把船系牢了。 colours in clothes 衣服颜色 8 not likely to change or to come out when washed 不褪色的 HELP There is no noun related to fast.Use speedin connection with vehicles, actions, etc; quicknessis used about thinking. fast 没有派生的名词。关于交通工具、行动等的速度用 speed ；关于思维则用 quickness。 IDIOMS fast and ˈfurious (of films/movies, shows, etc. 电影、演出等 ) full of rapid action and sudden changes 情节节奏快且变化多端 ◆ In his latest movie, the action is fast and furious. 在他的最新电影中，情节起伏跌宕。 a fast ˈtalker a person who can talk very quickly and easily, but who cannot always be trusted 快嘴快舌但不可信赖的人 a fast ˈworker ( informal) a person who knows how to get what they want quickly, especially when beginning a sexual relationship with sb 善于迅速达到目的的人；（尤指恋爱方面）善于一下子获得青睐的人 ☞more at buck n. , draw n. , hard adj. , pull v. adverb ★ ( fast·er , fast·est ) quickly 快速 1 ★ quickly 快；快速；迅速 ◆ Don't drive so fast! 别把车开得这么快！ ◆ How fast were you going? 当时你们走得有多快？ ◆ I can't go any faster. 我不能走得更快了。 ◆ The water was rising fast. 水迅猛上涨。 ◆ Her heart beat faster. 她的心跳加快。 ◆ ( formal) Night was fast approaching. 黑夜迅速降临。 ◆ a fast-flowing stream 湍急的溪流 ☞note at quick 2 ★ in a short time; without delay 不久；立即 ◆ Children grow up so fast these days. 如今孩子们长得真快。 ◆ Britain is fast becominga nation of fatties. 英国不久就要变成一个胖子国了。 ◆ The police said that they had reacted as fast as they could. 警方说他们已尽快作出了反应。 firmly 牢固 3 ★ firmly; completely 牢固地；完全地 ◆ Within a few minutes she was fast asleep (= sleeping deeply). 几分钟后她就沉睡了。 ◆ The boat was stuck fast (= unable to move)in the mud. 船深陷在淤泥里动弹不得。 HELP There is no noun related to fast.Use speedin connection with vehicles, actions, etc; quicknessis used about thinking. fast 没有派生的名词。关于交通工具、行动等的速度用 speed ；关于思维则用 quickness。 IDIOMS as fast as your ˌlegs can ˈcarry you as quickly as you can 尽快 hold ˈfast to sth ( formal) to continue to believe in an idea, etc. despite difficulties 坚持（某种思想等） play fast and ˈloose (with sb/sth) ( old-fashioned) to treat sb/sth in a way that shows that you feel no responsibility or respect for them 反覆无常；若即若离；玩弄 stand ˈfast/ˈfirm to refuse to move back; to refuse to change your opinions 坚定不移；不让步；不改变主张 ☞more at thick adv. verb [intransitive ] to eat little or no food for a period of time, especially for religious or health reasons 节食；禁食；斋戒 ◆ Muslims fast during Ramadan. 伊斯兰教徒在斋月期间斋戒。 noun a period during which you do not eat food, especially for religious or health reasons 禁食期；斋戒期 ◆ to go on a fast 开始禁食 ◆ to break (= end)your fast 开斋 SYNONYMS 同义词辨析 fast / quick / rapid These adjectives are frequently used with the following nouns. 这些形容词常与下列名词连用： fast ~ quick ~ rapid ~ car glance change train look growth bowler reply increase pace decision decline lane way progress ■ Fastis used especially to describe a person or thing that moves or is able to move at great speed. fast 尤用以描述高速运动的人或事物。 ■ Quickis more often used to describe something that is done in a short time or without delay. quick 较常用以描述迅速或立即完成的事。 ■ Rapid, swiftand speedyare more formal words. rapid、swift 和 speedy 较正式。 ■ Rapidis most commonly used to describe the speed at which something changes. It is not used to describe the speed at which something moves or is done. rapid 最常用于描述事物变化的速度，而非运动或完成的速度： ◆ a rapid train ◆ We had a rapid coffee. ■ Swiftusually describes something that happens or is done quickly and immediately. swift 通常用以描述事物发生或完成的速度快而及时： ◆ a swift decision 迅即作出的决定 ◆ The government took swift action. 政府立即采取了行动。 ■ Speedyhas a similar meaning. speedy 具有相似的意义： ◆ a speedy recovery 迅速康复 It is used less often to talk about the speed at which something moves. 该词较少指事物运动速度快： ◆ a speedy car ■ For the use of fastand quickas adverbs, see the usage note at quick. 关于 fast 和 quick 作副词的用法，见 quick 词条的用法说明。 fast / fɑːst ; NAmE fæst /
LDC	fast1 adjective fast2 adverb fast3 verb fast4 noun fastfast1 /fɑːst $ fæst/ ●●● S2 W2 adjective Entry menu Word Origin Examples Thesaurus Collocations Phrases 1moving quickly moving or able to move quickly: a fast car He’s one of the fastest runners in the world.2in a short time doing something or happening in a short time: The subway is the fastest way to get downtown. The company must give a faster response to clients’ requests. The rain forests are being chopped down at an alarmingly fast rate. I’m a fast learner.3clock [not before noun] a clock that is fast shows a later time than the real time: That can’t be the time – my watch must be fast.five minutes/an hour etc fast I always keep my watch 15 minutes fast.4fast track a way of achieving something more quickly than is normally doneon the fast track a young actress on the fast track to fame and success5fast road a road on which vehicles can travel very quickly6fast film/lens a film or lens(2) that can be used when there is little light, or when photographing something that is moving very quickly7colour a colour that is fast will not change when clothes are washed → colourfast 8sports a fast surface is one on which a ball moves very quickly9fast and furious done very quickly with a lot of effort and energy, or happening very quickly with a lot of sudden changes: Arsenal’s opening attack was fast and furious.10somebody is a fast worker informal used to say that someone can get what they want very quickly, especially in starting a sexual relationship with another person11fast talker someone who talks quickly and easily but is often not honest or sincere12woman old-fashioned becoming involved quickly in sexual relationships with men: fast cars and fast women13fast friends literary two people who are very friendly for a long time → fast food , fast-forward , fast lane , → make a fast buck at buck1(1) , → pull a fast one at pull1(10) THESAURUSfast moving or able to move quickly: · The cheetah is the fastest animal in the world.· a fast carquick moving fast or doing something in a short time: · He was much quicker than I was over the first 100 metres.· Do I have time for a quick shower?high-speed [only before noun] designed to travel or operate very quickly: · a high-speed train· high-speed Internet accessrapid especially written happening in a short period of time – used about changes, increases, improvements etc: · a rapid increase in the population· the rapid expansion of the firm’s business in the Middle East· a rapid decline in profitsswift written moving quickly or happening after only a short time: · The horses ran along the track at a swift trot.· He received a swift response to his letter.brisk quick and energetic: · a brisk walk in the countryside· His manner was very brisk.speedy [only before noun] happening after only a short time: · Everyone wishes you a speedy recovery.· a speedy resolution to the problemhurried done more quickly than usual, because you do not have much time: · She ate a hurried breakfast in the cafe before catching her train.· We made a hurried departure.hasty deciding or doing something very quickly, especially when this has bad results: · It was a hasty decision, which he later regretted.· Let’s not be too hasty. fast1 adjective fast2 adverb fast3 verb fast4 noun fastfast2 ●●● S2 W3 adverb Entry menu Examples Thesaurus Collocations Phrases 1moving quickly moving quickly: Slow down – you’re driving too fast. a fast-moving river Johnny ran off as fast as his legs could carry him (=running as quickly as he could).► see thesaurus at quickly 2in a short time happening in a short time: Kids grow up fast these days. The survivors needed help fast. How fast can you get the job done?fast becoming/disappearing/approaching etc Access to the Internet is fast becoming a necessity. It all happened so fast I didn’t even notice I was bleeding.3fast asleep sleeping very deeply: Nick was lying on the sofa, fast asleep.4be stuck/held fast to become or be firmly fixed and unable to move: The boat was stuck fast in the mud. She tried to pull her hand free, but it was held fast.5be getting/be going nowhere fast informal to not succeed in making progress or achieving something: I kept asking her the same question, but I was getting nowhere fast.6not so fast spoken used to tell someone not to be too eager to do or believe something: Not so fast. We’ve got to prove it first, haven’t we?7make something fast to tie something such as a boat or tent firmly to something else8fast by something literary very close to something: fast by the river → play fast and loose with somebody at play1(32) , → stand fast at stand1(25) , → thick and fast at thick2(2) fast1 adjective fast2 adverb fast3 verb fast4 noun fastfast3 verb [intransitive] Word Origin Verb Table Examples Thesaurus Collocations Phrases to eat little or no food for a period of time, especially for religious reasons: Muslims fast during Ramadan. fast1 adjective fast2 adverb fast3 verb fast4 noun fastfast4 noun [countable] Examples Collocations Phrases a period during which someone does not eat, especially for religious reasons: Gandhi drank some orange juice to break (=end) his three-week fast.
WDF	fast [fɑ:st]fasted, fasting, fasts级别:faster, fastest CET4CET6TEM4考研GRE r1097 38419 5676 12248 11068 6630 2797 v16243 718 52 129 273 80 184 j2578 13838 2106 2717 4522 2997 1496 n30458 175 26 38 49 39 23 ADV1032 1512425 ADJ1104 1410192 VERB10853 46588 NOUN19528 13646 Spoken: 460148967 faster[34319] fastest[6108] fasting[1155] 快的(37%)，禁食(22%)，斋戒(17%)，迅速的(7%)，紧紧地(6%)，快速地(4%)，紧的(3%)，放荡的(3%)，深深地(1%) n.斋戒；绝食 adj.快速的，迅速的；紧的，稳固的 adv.迅速地；紧紧地；彻底地 vi.禁食，斋戒 n.(Fast)人名；(德、英、俄、芬、捷、瑞典)法斯特

Fast Quickly Time Quick Short Rapid Moving Speedy

fast

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