Question

at at ★★★★★/ət, STRONG æt/In addition to the uses shown below, at is used after some verbs, nouns, and adjectives to introduce extra information. At is also used in phrasal verbs such as ‘keep on at’ and ‘play at’.除下列用法外，at用于某些动词、名词、形容词后以引出附加信息。at还可用于keep on at, play at等短语动词中。1[PREP	介词]在（某地）；在（某场合） You use at to indicate the place or event where something happens or is situated. We had dinner at a restaurant in Attleborough...我们在阿特尔伯勒的一家餐厅里吃的饭。He will be at the airport to meet her...他将去机场接她。I didn't like being alone at home...我不喜欢一个人呆在家里。Hamstrings are supporting muscles at the back of the thigh...腿筋是位于大腿后侧起支撑作用的肌肉。The announcement was made at a news conference.这项声明是在新闻发布会上宣布的。2[PREP	介词]在（上学） If someone is at school or college, or at a particular school or college, they go there regularly to study. He was shy and nervous as a boy, and unhappy at school...他小时候既害羞又胆怯，在学校过得并不快乐。It was at university that he first encountered Hopkins...他第一次遇见霍普金斯是在上大学的时候。I majored in psychology at Hunter College.在亨特学院求学时，我主修心理学。3[PREP	介词]在…旁边；靠近 If you are at something such as a table, a door, or someone's side, you are next to it or them. An assistant sat typing away at a table beside him...助手坐在他身旁的一张桌子上埋头打字。Graham was already at the door...格雷厄姆已经在门口了。At his side was a beautiful young woman...他旁边是个年轻漂亮的女子。He gave the girl at the desk the message.他把便条递给了桌旁的女孩。4[PREP	介词]从相隔（一段距离）的地方；呈…角度 When you are describing where someone or something is, you can say that they are at a certain distance. You can also say that one thing is at an angle in relation to another thing. The two journalists followed at a discreet distance...那两个记者谨慎地保持距离跟在后面。The tree was leaning at a low angle from the ground.那棵树倾斜得非常厉害。5[PREP	介词]在（某时间或时刻） If something happens at a particular time, that is the time when it happens or begins to happen. The funeral will be carried out this afternoon at 3.00...葬礼将在今天下午3点举行。He only sees her at Christmas and Easter.他只有在圣诞节和复活节时才能见到她。6[PREP	介词]在（某一年龄时）；在…岁时 If you do something at a particular age, you do it when you are that age. Blake emigrated to Australia with his family at 13...布莱克在13岁时随家人移民到了澳大利亚。Mary Martin has died at her home in California at the age of seventy-six.玛丽·马丁76岁时卒于加利福尼亚家中。7[PREP	介词]以，达（某一速度、频率、水平或价格） You use at to express a rate, frequency, level, or price. I drove back down the highway at normal speed...我以正常车速沿公路返回。Check the oil at regular intervals, and have the car serviced regularly...定期检查汽油，并对车辆进行定期维护。The submarine lies at a depth of 6,000 feet in the Barents Sea.潜艇位于巴伦支海水下6,000英尺深处。...custom-designed rugs at $16 to $100 a sq ft.价格在每平方英尺16至100美元不等的定制地毯。8[PREP	介词]以，达（某一数量） You use at before a number or amount to indicate a measurement.   [PREP amount]Weighing in at eighty tons, the B-19 was easily the largest and most sophisticated warplane in the world.B-19重达80吨，无疑是世界上最大、最先进的军用飞机。...as unemployment stays pegged at three million.当失业人数维持在300万9[PREP	介词]朝（某人或某物看）；向（某人掷物）；冲（某人说话） If you look at someone or something, you look towards them. If you direct an object or a comment at someone, you direct it towards them. He looked at Michael and laughed...他看着迈克尔笑了。The crowds became violent and threw petrol bombs at the police...人群变得狂暴起来，并向警察投掷汽油弹。A couple of people started shouting abuse at them as they walked past a pub.当他们经过一个酒吧时，有几个人开始朝他们谩骂。10[PREP	介词]向，朝（某人微笑、招手等） You can use at after verbs such as 'smile' or 'wave' and before nouns referring to people to indicate that you have put on an expression or made a gesture which someone is meant to see or understand.   [v PREP n]She opened the door and stood there, frowning at me...她打开门站在那里，朝我皱着眉头。We waved at the staff to try to get the bill.我们向工作人员招了招手，想要买单。11[PREP	介词]（指）向… If you point or gesture at something, you move your arm or head in its direction so that it will be noticed by someone you are with.   [v PREP n]He pointed at the empty bottle and the waitress quickly replaced it...他指了指空瓶子，女服务员立即重新拿了一瓶。He gestured at the shelves. 'I've bought many books from him.'他指着书架说，“我已经从他那里买了不少书了”。12[PREP	介词]致力于；定位于；期望达到 If you are working at something, you are dealing with it. If you are aiming at something, you are trying to achieve it. She has worked hard at her marriage.她努力维系着她的婚姻。...a $1.04m grant aimed at improving student performance on placement examinations.旨在提高学生编班考试成绩的104万美元拨款13[PREP	介词]应（某人邀请或要求） If something is done at someone's invitation or request, it is done as a result of it.   [PREP n with poss]She left the light on in the bathroom at his request...她按照他的要求将浴室里的灯开着。I visited Japan in 1987 at the invitation of the Foreign Minister.应日本外相的邀请，我于1987年访问了日本。14[PREP	介词]处在…状态 You use at to say that someone or something is in a particular state or condition.   [v-link PREP n]I am afraid we are not at liberty to disclose that information...恐怕我们无权透露这一信息。Their countries had been at war for nearly six weeks.他们的国家陷入战争状态已将近6个星期了。15[PREP	介词]（用于所有格代词和形容词最高级前，表示某人或某物在此时的某一特征最鲜明） You use at before a possessive pronoun and a superlative adjective to say that someone or something has more of a particular quality than at any other time.   [PREP poss adj-superl]He was at his happiest whilst playing cricket...玩板球时他最开心了。Howards End is old fashioned film-making at its best.《霍华德庄园》是一部经典的老派电影。16[PREP	介词]以…方式 You use at to say how something is being done. Three people were killed by shots fired at random from a minibus...3个人被从一辆面包车中发射的乱弹打死了。Mr Martin was taken out of his car at gunpoint.马丁先生被人用枪指着从车里带了出来。17[PREP	介词]（表示某人重复做某事） You use at to show that someone is doing something repeatedly.   [v PREP n]She lowered the handkerchief which she had kept dabbing at her eyes...她放下了那块一直用来擦眼睛的手帕。Miss Melville took a cookie and nibbled at it.梅尔维尔小姐拿起一块饼干小口吃起来。18[PREP	介词]在…方面（擅长） You use at to indicate an activity or task when saying how well someone does it.   [adj PREP n]I'm good at my work...我对自己的工作得心应手。Robin is an expert at cheesemaking...罗宾是奶酪制作专家。She excels at sport.她擅长体育运动。19[PREP	介词]对…的反应 You use at to indicate what someone is reacting to.   [adj PREP n]Eleanor was annoyed at having had to wait so long for him...埃莉诺为不得不等他这么长时间而感到很恼火。The British team did not disguise their delight at their success...英国队毫不掩饰他们获胜的喜悦。Six months ago she would have laughed at the idea.要是在6个月前，她会对这个想法嗤之以鼻。20  at all→see: all；  atat /ət; strong æt/ ●●● S1 W1 preposition  Word Origin Examples Thesaurus Collocations Phrases 1used to say exactly where something or someone is, or where something happens:  They live at 18 Victoria Street. Does this train stop at Preston? I was waiting at the bus stop. Liz and her friend sat down at a corner table. Turn left at the church. We’ll meet at Harry’s  (=at Harry’s house). I spent an unpleasant hour at the dentist’s. Dad’s at work  (=in the place where he works).at the top/bottom/end etc (of something) At the top of the stairs, she paused.2used to say what event or activity someone is taking part in:  I met my wife at a disco. The matter was discussed at a meeting of the finance committee. I’m sorry, Pam’s at lunch just now.3used to say that someone is studying somewhere regularly:  Is Jessica still at school? Hulme was a student at Oxford in the 1960s.4used to say exactly when something happens:  The film starts at 8 o'clock.5during a particular period of time:  My husband often works at night. We go to Midnight Mass at Christmas.6used to say which thing or person an action is directed towards or intended for:  He gazed up at the sky. You don’t have to shout at me. The older girls used to throw stones at me. The course is aimed at those aged 16 or over.7used to say what or who causes an action or feeling:  The children all laughed at his jokes. I’m surprised at you! Dad got really mad at me for scratching the car. her distress at having to leave8used to say which subject or activity you are talking about when you say whether someone is skilful, successful etc or not:  Barbara’s getting on really well at her new job.good/bad etc at (doing) something I’ve always been good at maths. Matt’s bad at handling people. He’s an expert at making things out of junk.9used to say that someone or something is in a particular state:  two nations at war Many children are still at risk from neglect or abuse.10used to show a price, rate, level, age, speed etc:  old books selling at 10 cents each You should have more sense at your age. The Renault was travelling at about 50 mph. Amanda rode off at a gallop.11at your best/worst/most effective etc used to say that, at a particular time, someone or something is as good, bad etc as they can be:  The garden is at its best in June. This was Federer at his most powerful.12used to say what someone tries to touch, or keeps touching:  I clutched at the rope. George was just picking at his food. Sarah took another sip at her wine.13used to say what someone tries to do:  the student’s first attempt at a piece of research They were so beautiful that I decided to have a go at growing them.14because of what someone has said:  Chapman visited Austria at the invitation of his friend, Hugo Meisl. At my suggestion, Bernard went to see his former teacher.15while I’m/you’re etc at it spoken used to suggest that someone should do something while they are doing something else:  I’m just going for a cup of coffee. Shall I bring you one while I’m at it?16be at it again informal if you say that someone is at it again, you mean that they are doing something you disapprove of, which they have done before:  She’s at it again, interfering in other people’s business.17at that a)also or besides:  It’s a new idea, and a good one, at that. b)after something is said:  Tess called him a liar and at that he stormed out of the room.18be where it’s at old-fashioned informal used to say that a place or activity is very popular, exciting, and fashionable → at allat all1(6)USAGE: At, in, onTalking about timeUse  at– with clock times:· at one o'clock· at 6.30– with points of time in the day:· at midnight· at noon· at dawn· at sunset– with holiday periods, meaning the few days around the holiday:· at Easter· at Diwali– with weekend, in British English:· See you at the weekend!· At weekends we go out.Use in– with parts of the day:· in the morning· in the evening· I never watch TV in the daytime.– with months, seasons, years, and centuries:· in May· in the summer· in 2004· in the 21st centuryUse on– with dates and specific days:· on 29th July· on Tuesday afternoons· on the last day of term– with weekend, in American English:· We sometimes go there on weekends.Talking about position and placeUse at– with particular positions or places:· at the end of the corridor· at the back of the room· at the corner of the street– to mean 'next to' or 'beside':· She sat at her desk.· He stopped me at the door.– with words for buildings, for example airport, university, restaurant, art gallery:· at the airport· at the Lyceum theatre– with city or place names, when you are talking about stopping during a journey:· Does this train stop at Watford?Use in– with a position or place, when something or someone is inside a larger thing such as a room:· in the bath· in the kitchen· in the garden· in the doorway– with cities, counties, states, and countries:· When will you arrive in Tokyo?· He lives in Germany.· She’s working in California.– with the names of squares, plazas etc:· in Times SquareUse on– with a position or place, when one thing is attached to or touching another:· a spot on the end of her nose· He hung his jacket on the back of a chair.You can use either in  or on with street names in British English. In American English, use on:· in Oxford Street· on the High Street· on 42nd Street· on Broadway

Accepted Answer

jEPoK/1xFvkT+4I2iOf8EcHXNNsifbXDHCidxWvZwzimxV87DibmTO+AqTitfcimmUrw37+8THo6eLw5jcmnvd4BtvMtHHtKkLF84B+UKEr/bW355CyEQ2w/ecEkqZSF2a3BaOiK6SkBIOkoyl9lnhqFLkLZPRr+Q+e57qK/6SE=             at              ★                    /        ət                ;          NAmE                ət                /                    /        strong form        æt                strong form        æt                /                              preposition                            1      ★              used to say where sth/sb is or where sth happens          在（某处）                            ◆        at the corner of the street        在街角                    ◆        We changed at Crewe.        我们在克鲁换的车。                    ◆        They arrived late at the airport.        他们晚到了机场。                    ◆        At the roundabout take the third exit.        在环岛处走第三个出口。                    ◆        I'll be at home all morning.        我一上午都在家。                    ◆        She's at Tom's          (= at Tom's house).                她在汤姆家中。                    ◆        I met her at the hospital.        我在医院遇见了她。                    ◆        How many people were there at the concert?        音乐会上有多少人？                    2      ★              used to say where sb works or studies          在（表示学习或工作地点）                            ◆        He's been at the bank longer than anyone else.        他在银行工作的时间比任何人都长。                    ◆        She's at Yale          (= Yale University).                她上耶鲁大学。                    3      ★              used to say when sth happens          在（某时间或时刻）                            ◆        We left at 2 o'clock.        我们在两点钟离开的。                    ◆        at the end of the week        在周末                    ◆        We woke at dawn.        我们在黎明醒来。                    ◆        I didn't know at the time of writing          (= when I wrote).                我写的时候并不知道。                    ◆        At night you can see the stars.        夜晚可以看见星星。                    ◆        (          BrE)                What are you doing at the weekend?        你打算周末干什么？                    4      ★              used to state the age at which sb does sth          在…岁时                            ◆        She got married at 25.        她 25 岁结婚。                    ◆        He left school at the age of 16.        他 16 岁便离开学校。                    5      ★              in the direction of or towards sb/sth          向；朝                            ◆        What are you looking at?        你在看什么？                    ◆        He pointed a gun at her.        他把枪口对着她。                    ◆        Somebody threw paint at the prime minister.        有人朝首相扔油漆。                    6              used after a verb to show that sb tries to do sth, or partly does sth, but does not succeed or complete it          （用于动词后，涉及未做成或未做完的事）                            ◆        He clutched wildly at the rope as he fell.        他坠落时拚命想抓住绳子。                    ◆        She nibbled at a sandwich          (= ate only small bits of it).                她一小口一小口地吃三明治。                    7      ★              used to state the distance away from sth          在…远；从相隔…远的地方                            ◆        I held it at arm's length.        我伸直胳膊提着它。                    ◆        Can you read a car number plate at fifty metres?        在五十米远处你能看清汽车牌吗？                    8      ★              used to show the situation sb/sth is in, what sb is doing or what is happening          处于…状态                            ◆        The country is now at war.        这个国家正在打仗。                    ◆        I felt at a disadvantage.        我觉得处于不利地位。                    ◆        I think Mr Harris is at lunch.        我想哈里斯先生正在吃午饭。                    9      ★              used to show a rate, speed, etc.          （用于速度、比率等）以，达                            ◆        He was driving at 70 mph.        他以每小时 70 英里的速度驾车行驶。                    ◆        The noise came at two-minute intervals          (= once every two minutes).                每两分钟传来一次响声。                    ◆        Prices start at $1 000.        起价 1 000 元                    10      ★      ~ sb's/sth's best/worst, etc.              used to say that sb/sth is as good, bad, etc. as they can be          处于最佳（或最差等）状态；在全盛（或谷底等）时期                            ◆        This was Murray at his best.        这是默里的最佳表现。                    ◆        The garden's at its most beautiful in June.        六月的花园最美丽。                    11      ★              used with adjectives to show how well sb does sth          （与形容词连用，表示状况）在…方面                            ◆        I'm          good atFrench.                我的法语很好。                    ◆        She's hopeless at managing people.        她对人事管理一窍不通。                    12      ★              used with adjectives to show the cause of sth          （与形容词连用）因为，由于，对…                            ◆        They were impatient at the delay.        他们对拖延不耐烦了。                    ◆        She was delighted at the result.        对这个结果她感到高兴。                    13              (          formal)                in response to sth          应…（而）；响应；回答                            ◆        They attended the dinner at the chairman's invitation.        他们应董事长之邀出席了宴会。                    14      ★              (          NAmE)                used when giving a telephone number          （提供电话号码时用）                            ◆        You can reach me at 637-2335, extension 354.        你可以打 637-2335 这个电话号码，转分机 354 与我联系。                    15      ★              (          computing            计          )                the symbol ( @ ) used in email addresses          （用于电子邮箱地址中的符号   @）                            IDIOMS              at that                              used when you are giving an extra piece of information              （提供额外信息时）而且还                                            ◆            He managed to buy a car after all—and a nice one at that.            他终于设法买了一辆小轿车，而且还挺不错的。                                      be ˈat it again                              to be doing sth, especially sth bad              正在做某事（尤指坏事）                                            ◆            Look at all that graffiti—those kids have been at it again.            瞧瞧所有的那些涂鸦，又是那些孩子干的好事。                                      ˌwhere it's ˈat                              (              informal)                        a place or an activity that is very popular or fashionable              盛大活动（场合）；流行活动（地方）                                            ◆            Judging by the crowds waiting to get in, this seems to be where it's at.            从等待入场的人群来看，这好像是个盛大活动。                                          at              /        ət                ;          NAmE                ət                /             at[ət]CET4CET6TEM4考研i221923946335599451667402139455463279078PREP2356472590ADV2235903161向(40%)，在(30%)，达(30%)prep.在（表示存在或出现的地点、场所、位置、空间）；以（某种价格、速度等）；向；达；因为；朝；忙于n.阿特（老挝货币基本单位att）；[化]砹（极不稳定放射性元素）abbr.密封的（airtight）；气温（air temperature）

word	at
content	jEPoK/1xFvkT+4I2iOf8EcHXNNsifbXDHCidxWvZwzimxV87DibmTO+AqTitfcimmUrw37+8THo6eLw5jcmnvd4BtvMtHHtKkLF84B+UKEr/bW355CyEQ2w/ecEkqZSF2a3BaOiK6SkBIOkoyl9lnhqFLkLZPRr+Q+e57qK/6SE=
Collins	at ★★★★★ /ət, STRONG æt/ In addition to the uses shown below, at is used after some verbs, nouns, and adjectives to introduce extra information. At is also used in phrasal verbs such as ‘keep on at’ and ‘play at’. 除下列用法外，at用于某些动词、名词、形容词后以引出附加信息。at还可用于keep on at, play at等短语动词中。 1 [PREP 介词]在（某地）；在（某场合） You use at to indicate the place or event where something happens or is situated. We had dinner at a restaurant in Attleborough... 我们在阿特尔伯勒的一家餐厅里吃的饭。 He will be at the airport to meet her... 他将去机场接她。 I didn't like being alone at home... 我不喜欢一个人呆在家里。 Hamstrings are supporting muscles at the back of the thigh... 腿筋是位于大腿后侧起支撑作用的肌肉。 The announcement was made at a news conference. 这项声明是在新闻发布会上宣布的。 2 [PREP 介词]在（上学） If someone is at school or college, or at a particular school or college, they go there regularly to study. He was shy and nervous as a boy, and unhappy at school... 他小时候既害羞又胆怯，在学校过得并不快乐。 It was at university that he first encountered Hopkins... 他第一次遇见霍普金斯是在上大学的时候。 I majored in psychology at Hunter College. 在亨特学院求学时，我主修心理学。 3 [PREP 介词]在…旁边；靠近 If you are at something such as a table, a door, or someone's side, you are next to it or them. An assistant sat typing away at a table beside him... 助手坐在他身旁的一张桌子上埋头打字。 Graham was already at the door... 格雷厄姆已经在门口了。 At his side was a beautiful young woman... 他旁边是个年轻漂亮的女子。 He gave the girl at the desk the message. 他把便条递给了桌旁的女孩。 4 [PREP 介词]从相隔（一段距离）的地方；呈…角度 When you are describing where someone or something is, you can say that they are at a certain distance. You can also say that one thing is at an angle in relation to another thing. The two journalists followed at a discreet distance... 那两个记者谨慎地保持距离跟在后面。 The tree was leaning at a low angle from the ground. 那棵树倾斜得非常厉害。 5 [PREP 介词]在（某时间或时刻） If something happens at a particular time, that is the time when it happens or begins to happen. The funeral will be carried out this afternoon at 3.00... 葬礼将在今天下午3点举行。 He only sees her at Christmas and Easter. 他只有在圣诞节和复活节时才能见到她。 6 [PREP 介词]在（某一年龄时）；在…岁时 If you do something at a particular age, you do it when you are that age. Blake emigrated to Australia with his family at 13... 布莱克在13岁时随家人移民到了澳大利亚。 Mary Martin has died at her home in California at the age of seventy-six. 玛丽·马丁76岁时卒于加利福尼亚家中。 7 [PREP 介词]以，达（某一速度、频率、水平或价格） You use at to express a rate, frequency, level, or price. I drove back down the highway at normal speed... 我以正常车速沿公路返回。 Check the oil at regular intervals, and have the car serviced regularly... 定期检查汽油，并对车辆进行定期维护。 The submarine lies at a depth of 6,000 feet in the Barents Sea. 潜艇位于巴伦支海水下6,000英尺深处。 ...custom-designed rugs at $16 to $100 a sq ft. 价格在每平方英尺16至100美元不等的定制地毯。 8 [PREP 介词]以，达（某一数量） You use at before a number or amount to indicate a measurement. [PREP amount] Weighing in at eighty tons, the B-19 was easily the largest and most sophisticated warplane in the world. B-19重达80吨，无疑是世界上最大、最先进的军用飞机。 ...as unemployment stays pegged at three million. 当失业人数维持在300万 9 [PREP 介词]朝（某人或某物看）；向（某人掷物）；冲（某人说话） If you look at someone or something, you look towards them. If you direct an object or a comment at someone, you direct it towards them. He looked at Michael and laughed... 他看着迈克尔笑了。 The crowds became violent and threw petrol bombs at the police... 人群变得狂暴起来，并向警察投掷汽油弹。 A couple of people started shouting abuse at them as they walked past a pub. 当他们经过一个酒吧时，有几个人开始朝他们谩骂。 10 [PREP 介词]向，朝（某人微笑、招手等） You can use at after verbs such as 'smile' or 'wave' and before nouns referring to people to indicate that you have put on an expression or made a gesture which someone is meant to see or understand. [v PREP n] She opened the door and stood there, frowning at me... 她打开门站在那里，朝我皱着眉头。 We waved at the staff to try to get the bill. 我们向工作人员招了招手，想要买单。 11 [PREP 介词]（指）向… If you point or gesture at something, you move your arm or head in its direction so that it will be noticed by someone you are with. [v PREP n] He pointed at the empty bottle and the waitress quickly replaced it... 他指了指空瓶子，女服务员立即重新拿了一瓶。 He gestured at the shelves. 'I've bought many books from him.' 他指着书架说，“我已经从他那里买了不少书了”。 12 [PREP 介词]致力于；定位于；期望达到 If you are working at something, you are dealing with it. If you are aiming at something, you are trying to achieve it. She has worked hard at her marriage. 她努力维系着她的婚姻。 ...a $1.04m grant aimed at improving student performance on placement examinations. 旨在提高学生编班考试成绩的104万美元拨款 13 [PREP 介词]应（某人邀请或要求） If something is done at someone's invitation or request, it is done as a result of it. [PREP n with poss] She left the light on in the bathroom at his request... 她按照他的要求将浴室里的灯开着。 I visited Japan in 1987 at the invitation of the Foreign Minister. 应日本外相的邀请，我于1987年访问了日本。 14 [PREP 介词]处在…状态 You use at to say that someone or something is in a particular state or condition. [v-link PREP n] I am afraid we are not at liberty to disclose that information... 恐怕我们无权透露这一信息。 Their countries had been at war for nearly six weeks. 他们的国家陷入战争状态已将近6个星期了。 15 [PREP 介词]（用于所有格代词和形容词最高级前，表示某人或某物在此时的某一特征最鲜明） You use at before a possessive pronoun and a superlative adjective to say that someone or something has more of a particular quality than at any other time. [PREP poss adj-superl] He was at his happiest whilst playing cricket... 玩板球时他最开心了。 Howards End is old fashioned film-making at its best. 《霍华德庄园》是一部经典的老派电影。 16 [PREP 介词]以…方式 You use at to say how something is being done. Three people were killed by shots fired at random from a minibus... 3个人被从一辆面包车中发射的乱弹打死了。 Mr Martin was taken out of his car at gunpoint. 马丁先生被人用枪指着从车里带了出来。 17 [PREP 介词]（表示某人重复做某事） You use at to show that someone is doing something repeatedly. [v PREP n] She lowered the handkerchief which she had kept dabbing at her eyes... 她放下了那块一直用来擦眼睛的手帕。 Miss Melville took a cookie and nibbled at it. 梅尔维尔小姐拿起一块饼干小口吃起来。 18 [PREP 介词]在…方面（擅长） You use at to indicate an activity or task when saying how well someone does it. [adj PREP n] I'm good at my work... 我对自己的工作得心应手。 Robin is an expert at cheesemaking... 罗宾是奶酪制作专家。 She excels at sport. 她擅长体育运动。 19 [PREP 介词]对…的反应 You use at to indicate what someone is reacting to. [adj PREP n] Eleanor was annoyed at having had to wait so long for him... 埃莉诺为不得不等他这么长时间而感到很恼火。 The British team did not disguise their delight at their success... 英国队毫不掩饰他们获胜的喜悦。 Six months ago she would have laughed at the idea. 要是在6个月前，她会对这个想法嗤之以鼻。 20 at all→see: all ；
Oxford	at ★ / ət ; NAmE ət / / strong form æt strong form æt / preposition 1 ★ used to say where sth/sb is or where sth happens 在（某处） ◆ at the corner of the street 在街角 ◆ We changed at Crewe. 我们在克鲁换的车。 ◆ They arrived late at the airport. 他们晚到了机场。 ◆ At the roundabout take the third exit. 在环岛处走第三个出口。 ◆ I'll be at home all morning. 我一上午都在家。 ◆ She's at Tom's (= at Tom's house). 她在汤姆家中。 ◆ I met her at the hospital. 我在医院遇见了她。 ◆ How many people were there at the concert? 音乐会上有多少人？ 2 ★ used to say where sb works or studies 在（表示学习或工作地点） ◆ He's been at the bank longer than anyone else. 他在银行工作的时间比任何人都长。 ◆ She's at Yale (= Yale University). 她上耶鲁大学。 3 ★ used to say when sth happens 在（某时间或时刻） ◆ We left at 2 o'clock. 我们在两点钟离开的。 ◆ at the end of the week 在周末 ◆ We woke at dawn. 我们在黎明醒来。 ◆ I didn't know at the time of writing (= when I wrote). 我写的时候并不知道。 ◆ At night you can see the stars. 夜晚可以看见星星。 ◆ ( BrE) What are you doing at the weekend? 你打算周末干什么？ 4 ★ used to state the age at which sb does sth 在…岁时 ◆ She got married at 25. 她 25 岁结婚。 ◆ He left school at the age of 16. 他 16 岁便离开学校。 5 ★ in the direction of or towards sb/sth 向；朝 ◆ What are you looking at? 你在看什么？ ◆ He pointed a gun at her. 他把枪口对着她。 ◆ Somebody threw paint at the prime minister. 有人朝首相扔油漆。 6 used after a verb to show that sb tries to do sth, or partly does sth, but does not succeed or complete it （用于动词后，涉及未做成或未做完的事） ◆ He clutched wildly at the rope as he fell. 他坠落时拚命想抓住绳子。 ◆ She nibbled at a sandwich (= ate only small bits of it). 她一小口一小口地吃三明治。 7 ★ used to state the distance away from sth 在…远；从相隔…远的地方 ◆ I held it at arm's length. 我伸直胳膊提着它。 ◆ Can you read a car number plate at fifty metres? 在五十米远处你能看清汽车牌吗？ 8 ★ used to show the situation sb/sth is in, what sb is doing or what is happening 处于…状态 ◆ The country is now at war. 这个国家正在打仗。 ◆ I felt at a disadvantage. 我觉得处于不利地位。 ◆ I think Mr Harris is at lunch. 我想哈里斯先生正在吃午饭。 9 ★ used to show a rate, speed, etc. （用于速度、比率等）以，达 ◆ He was driving at 70 mph. 他以每小时 70 英里的速度驾车行驶。 ◆ The noise came at two-minute intervals (= once every two minutes). 每两分钟传来一次响声。 ◆ Prices start at $1 000. 起价 1 000 元 10 ★ ~ sb's/sth's best/worst, etc. used to say that sb/sth is as good, bad, etc. as they can be 处于最佳（或最差等）状态；在全盛（或谷底等）时期 ◆ This was Murray at his best. 这是默里的最佳表现。 ◆ The garden's at its most beautiful in June. 六月的花园最美丽。 11 ★ used with adjectives to show how well sb does sth （与形容词连用，表示状况）在…方面 ◆ I'm good atFrench. 我的法语很好。 ◆ She's hopeless at managing people. 她对人事管理一窍不通。 12 ★ used with adjectives to show the cause of sth （与形容词连用）因为，由于，对… ◆ They were impatient at the delay. 他们对拖延不耐烦了。 ◆ She was delighted at the result. 对这个结果她感到高兴。 13 ( formal) in response to sth 应…（而）；响应；回答 ◆ They attended the dinner at the chairman's invitation. 他们应董事长之邀出席了宴会。 14 ★ ( NAmE) used when giving a telephone number （提供电话号码时用） ◆ You can reach me at 637-2335, extension 354. 你可以打 637-2335 这个电话号码，转分机 354 与我联系。 15 ★ ( computing 计 ) the symbol ( @ ) used in email addresses （用于电子邮箱地址中的符号 @） IDIOMS at that used when you are giving an extra piece of information （提供额外信息时）而且还 ◆ He managed to buy a car after all—and a nice one at that. 他终于设法买了一辆小轿车，而且还挺不错的。 be ˈat it again to be doing sth, especially sth bad 正在做某事（尤指坏事） ◆ Look at all that graffiti—those kids have been at it again. 瞧瞧所有的那些涂鸦，又是那些孩子干的好事。 ˌwhere it's ˈat ( informal) a place or an activity that is very popular or fashionable 盛大活动（场合）；流行活动（地方） ◆ Judging by the crowds waiting to get in, this seems to be where it's at. 从等待入场的人群来看，这好像是个盛大活动。 at / ət ; NAmE ət /
LDC	atat /ət; strong æt/ ●●● S1 W1 preposition Word Origin Examples Thesaurus Collocations Phrases 1used to say exactly where something or someone is, or where something happens: They live at 18 Victoria Street. Does this train stop at Preston? I was waiting at the bus stop. Liz and her friend sat down at a corner table. Turn left at the church. We’ll meet at Harry’s (=at Harry’s house). I spent an unpleasant hour at the dentist’s. Dad’s at work (=in the place where he works).at the top/bottom/end etc (of something) At the top of the stairs, she paused.2used to say what event or activity someone is taking part in: I met my wife at a disco. The matter was discussed at a meeting of the finance committee. I’m sorry, Pam’s at lunch just now.3used to say that someone is studying somewhere regularly: Is Jessica still at school? Hulme was a student at Oxford in the 1960s.4used to say exactly when something happens: The film starts at 8 o'clock.5during a particular period of time: My husband often works at night. We go to Midnight Mass at Christmas.6used to say which thing or person an action is directed towards or intended for: He gazed up at the sky. You don’t have to shout at me. The older girls used to throw stones at me. The course is aimed at those aged 16 or over.7used to say what or who causes an action or feeling: The children all laughed at his jokes. I’m surprised at you! Dad got really mad at me for scratching the car. her distress at having to leave8used to say which subject or activity you are talking about when you say whether someone is skilful, successful etc or not: Barbara’s getting on really well at her new job.good/bad etc at (doing) something I’ve always been good at maths. Matt’s bad at handling people. He’s an expert at making things out of junk.9used to say that someone or something is in a particular state: two nations at war Many children are still at risk from neglect or abuse.10used to show a price, rate, level, age, speed etc: old books selling at 10 cents each You should have more sense at your age. The Renault was travelling at about 50 mph. Amanda rode off at a gallop.11at your best/worst/most effective etc used to say that, at a particular time, someone or something is as good, bad etc as they can be: The garden is at its best in June. This was Federer at his most powerful.12used to say what someone tries to touch, or keeps touching: I clutched at the rope. George was just picking at his food. Sarah took another sip at her wine.13used to say what someone tries to do: the student’s first attempt at a piece of research They were so beautiful that I decided to have a go at growing them.14because of what someone has said: Chapman visited Austria at the invitation of his friend, Hugo Meisl. At my suggestion, Bernard went to see his former teacher.15while I’m/you’re etc at it spoken used to suggest that someone should do something while they are doing something else: I’m just going for a cup of coffee. Shall I bring you one while I’m at it?16be at it again informal if you say that someone is at it again, you mean that they are doing something you disapprove of, which they have done before: She’s at it again, interfering in other people’s business.17at that a)also or besides: It’s a new idea, and a good one, at that. b)after something is said: Tess called him a liar and at that he stormed out of the room.18be where it’s at old-fashioned informal used to say that a place or activity is very popular, exciting, and fashionable → at all at all1(6) USAGE: At, in, onTalking about timeUse at– with clock times:· at one o'clock· at 6.30– with points of time in the day:· at midnight· at noon· at dawn· at sunset– with holiday periods, meaning the few days around the holiday:· at Easter· at Diwali– with weekend, in British English:· See you at the weekend!· At weekends we go out.Use in– with parts of the day:· in the morning· in the evening· I never watch TV in the daytime.– with months, seasons, years, and centuries:· in May· in the summer· in 2004· in the 21st centuryUse on– with dates and specific days:· on 29th July· on Tuesday afternoons· on the last day of term– with weekend, in American English:· We sometimes go there on weekends.Talking about position and placeUse at– with particular positions or places:· at the end of the corridor· at the back of the room· at the corner of the street– to mean 'next to' or 'beside':· She sat at her desk.· He stopped me at the door.– with words for buildings, for example airport, university, restaurant, art gallery:· at the airport· at the Lyceum theatre– with city or place names, when you are talking about stopping during a journey:· Does this train stop at Watford?Use in– with a position or place, when something or someone is inside a larger thing such as a room:· in the bath· in the kitchen· in the garden· in the doorway– with cities, counties, states, and countries:· When will you arrive in Tokyo?· He lives in Germany.· She’s working in California.– with the names of squares, plazas etc:· in Times SquareUse on– with a position or place, when one thing is attached to or touching another:· a spot on the end of her nose· He hung his jacket on the back of a chair.You can use either in or on with street names in British English. In American English, use on:· in Oxford Street· on the High Street· on 42nd Street· on Broadway
WDF	at [ət] CET4CET6TEM4考研 i22 1923946 335599 451667 402139 455463 279078 PREP23 56472590 ADV223 5903161 向(40%)，在(30%)，达(30%) prep.在（表示存在或出现的地点、场所、位置、空间）；以（某种价格、速度等）；向；达；因为；朝；忙于 n.阿特（老挝货币基本单位att）；[化]砹（极不稳定放射性元素） abbr.密封的（airtight）；气温（air temperature）

Prep 介词 I Sth The Show Place N

at