The flashcard defines "clean" with multiple meanings when used as an adjective: free from dirt, hygienic, non-polluting, blank, decent, unblemished, fair, or fresh-tasting. It can also be a verb meaning to remove dirt or to prepare food by removing insides. As an adverb, it emphasizes completeness, and as a noun, it refers to the act of cleaning.
The flashcard defines "clean" as an adjective meaning free from dirt or unwanted marks, clean in habits, free from harmful substances, blank (like a sheet of paper), decent, having a good reputation, fair in a competition, or having a fresh taste or smell. It can also be used as a verb meaning to make something free from dirt or dust, or to remove the inside of something before cooking. As an adverb, it emphasizes completeness, and as a noun, it refers to the act of cleaning.
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]干净的；洁净的；无污迹的 Something that is clean is free from dirt or unwanted marks.
He wore his cleanest slacks, a clean shirt and a navy blazer...
他穿着他最干净的便裤，洁净的衬衫和藏青色上装。
Disease has not been a problem because clean water is available...
不必担心会生病，因为能喝上干净水。
The metro is efficient and spotlessly clean...
地铁非常快捷，而且一尘不染。
Tiled kitchen floors are easy to keep clean.
铺了瓷砖的厨房地板便于保洁。
2
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](人或动物)讲卫生的，爱干净的 You say that people or animals are clean when they keep themselves or their surroundings clean.
3
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](燃料或化学作用)无害的，无污染的，清洁的 A clean fuel or chemical process does not create many harmful or polluting substances.
Fans of electric cars say they are clean, quiet and economical.
电动汽车迷们说，电动车清洁、无噪音而且经济。
cleanly
Manufacturers are working with new fuels to find one that burns more cleanly than petrol.
制造商在试验各种新燃料，希望找到一种比汽油更清洁的燃料。
4
[V-ERG 及物/不及物动词]清洗；清除；擦拭；擦洗 If you clean something or clean dirt off it, you make it free from dirt and unwanted marks, for example by washing or wiping it. If something cleans easily, it is easy to clean.
[V n]
[V n prep/adv]
[V adv]
Her father cleaned his glasses with a paper napkin...
她父亲用纸巾把眼镜擦干净。
It took half an hour to clean the orange powder off the bath...
花了半个钟头才把浴缸上的柑橘粉擦洗掉。
He cleaned the flakes away with his coat sleeve...
他用大衣袖子把碎屑掸掉。
Wood flooring not only cleans easily, but it's environmentally friendly into the bargain.
木地板不光容易打扫，而且还环保。
Clean is also a noun.
Give the cooker a good clean.
把炊具好好清洗一下。
5
[VERB 动词]打扫，清扫(房间、房屋) If you clean a room or house, you make the inside of it and the furniture in it free from dirt and dust.
[V]
[V n]
With them also lived Mary Burinda, who cooked and cleaned...
和他们同住的还有玛丽·伯琳达，她负责做饭和打扫卫生。
She got up early and cleaned the flat.
她早早就起了床，把公寓打扫干净。
cleaning
I do the cleaning myself.
我自己动手打扫卫生。
6
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](书籍、笑话、生活方式)文明的，不淫秽的，不下流的 If you describe something such as a book, joke, or lifestyle as clean, you think that they are not sexually immoral or offensive.
[approval]
They're trying to show clean, wholesome, decent movies...
他们尽量播放文明、健康、正派的电影。
Flirting is good clean fun...
打情骂俏无伤大雅，还别有一番趣味。
He became a model of clean living and Bible Belt virtues.
他成了洁身自好、恪守“圣经地带”德行的典范。
7
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](名声、履历)无污点的，清白的 If someone has a clean reputation or record, they have never done anything illegal or wrong.
Accusations of tax evasion have tarnished his clean image...
避税的指控使他的清白形象蒙污。
You can hire these from most car hire firms, provided you have a clean driving licence.
只要你的驾照没有违规记录，就可以从多数租车公司租到这些车。
8
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](比赛或打斗)无舞弊行为的，公平的，不违规的 A clean game or fight is carried out fairly, according to the rules.
[usu ADJ n]
He called for a clean fight in the election and an end to 'negative campaigning'...
他呼吁选举中进行公平竞争，结束“负面竞选”。
It was a clean match, well refereed.
比赛没有舞弊行为，裁判很公正。
cleanly
The game had been cleanly fought.
比赛双方严守规则。
9
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](口味、气味或色彩)淡雅的，清新的，明快的 If you describe a flavour, smell, or colour as clean, you like it because it is light and fresh.
...the fresh, clean smell of the sea...
大海清新舒爽的气味
Soft tones of blue and grey create a clean, bright look.
蓝色和灰色的柔和色调营造出明快、亮丽的视觉感观。
10
[ADJ 形容词](纸张)空白的，无字迹的 A clean sheet of paper has no writing or drawing on it.
[usu ADJ n]
Take a clean sheet of paper and down the left-hand side make a list.
拿张白纸，在左下方列个单子。
11
[ADJ 形容词](结束、开始)完全的，干脆的 If you make a clean break or start, you end a situation completely and start again in a different way.
[ADJ n]
She wanted to make a clean break from her mother and father.
她想和父母一刀两断。
12
[ADV 副词](用于加强语气)完全，彻底Clean is used to emphasize that something was done completely.
[usu ADV prep/adv]
[emphasis]
[INFORMAL 非正式]
It burned clean through the seat of my overalls...
它把我工装裤屁股那块烧透了。
The thief got clean away with the money...
那个贼拿着钱逃之夭夭了。
I clean forgot everything I had prepared.
我把准备的东西忘了个一干二净。
13
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](形状)规则的，简洁的，边缘平滑的 A clean shape is simple and regular, with definite, smooth edges.
[usu ADJ n]
He admires the clean lines of Shaker furniture...
他欣赏夏克家具流畅的线条。
The drill should be slowly rotated to ensure a clean hole.
钻头必须缓慢转动，以保证钻孔平整光滑。
cleanly
Cut horizontally and cleanly through the stem.
沿水平方向整齐地锯断树干。
14
[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](动作)干脆利落的，快速无误的 You can describe an action as clean to indicate that it is carried out simply and quickly without mistakes.
[usu ADJ n]
They were more concerned about the dogs' welfare than a clean getaway...
他们更加关心那些狗的安危，而非自己如何干净利落地脱身。
Paul had arrested countless men like this one before and was expecting a clean, quick job.
此前，保罗逮捕过无数个这样的家伙，他估计这次能手到擒来。
cleanly
I struck the ball cleanly and my shot was on target.
我干脆利落地击球，命中了目标。
15
[PHRASE 短语]坦白承认；和盘托出 If you come clean about something that you have been keeping secret, you admit it or tell people about it.
[V inflects]
[INFORMAL 非正式]
It would be better if you come clean about it and let her know what kind of man she is seeing.
你最好一五一十地告诉她，让她知道她正在交往的那个男人是个什么货色。
16
to clean up your act→see:
act
； a clean bill of health→see:
bill
； to make a clean breast of it→see:
breast
； to keep your nose clean→see:
nose
； a clean slate→see:
slate
； to wipe the slate clean→see:
slate
； a clean sweep→see:
sweep
； clean as a whistle→see:
whistle
；
相关词组：
clean out
clean up
clean up after
Oxford
clean★/kliːn; NAmEkliːn/
adjective
,
verb
,
adverb
,
noun
cleancleanscleanedcleaningcleanercleanestadjective★(clean·er,clean·est)not dirty 清洁1★not dirty 洁净的；干净的◆Are your hands clean?你的手干净吗？◆to wipe sth clean把某物擦干净◆The hotel was spotlessly(= extremely)clean.这家旅馆干净得一尘不染。◆( BrE) It is your responsibility to keepthe room clean and tidy.保持房间整洁是你的职责。◆( NAmE) Keepyour room neat and clean.保持房间整洁。◆I can't find a clean shirt (= one I haven't worn since it was washed).我找不到一件干净的衬衫。2★having a cleanappearance and cleansurroundings 爱干净的；爱整洁的◆Cats are very clean animals.猫是很爱干净的动物。not harmful 无害3★free from harmful or unpleasant substances 无有害物的；无污染的◆clean drinking water洁净的饮用水◆clean air清洁的空气◆cleaner cars (= not producing so many harmful substances)环保型汽车paper 纸4★[usually before noun ]with nothing written on it 空白的；未写过的◆a clean sheet of paper一张空白纸not offensive 文明5★not offensive or referring to sex; not doing anything that is considered immoral or bad 文明的；无色情的；正派的◆The entertainment was good clean funfor the whole family. 这种娱乐正派有趣，对全家老少都适合。◆Keep the jokes clean please!开玩笑请文明点！◆The sport has a very clean image.这项运动享有很文明的声誉。not illegal 合法6★not showing or having any record of doing sth that is against the law 无犯罪记录的；守法的；清白的◆a clean driving licence/driver's license无违章记录的驾驶执照◆a clean police record无违警记录7( informal) not owning or carrying anything illegal such as drugs or weapons 没有私藏（或携带）违禁品（如毒品、武器等）的◆The police searched her but she was clean.警察搜了她的身，但未发现她携带任何违禁品。fair 公正8played or done in a fair way and within the rules 公平的；守规则的；不违例的◆It was a tough but clean game.这是一场打得艰苦但却是规规矩矩的比赛。smooth/simple 平整；简洁9having a smooth edge, surface or shape; simple and regular 边缘平整的；表面平滑的；简洁规则的◆A sharp knife makes a clean cut.快刀切得整齐。◆a modern design with clean lines and a bright appearance线条流畅、外观明快的现代设计accurate 准确10done in a skilful and accurate way 动作熟练而准确的；干净利落的◆The plane made a clean take-off.飞机起飞得干净利落。taste/smell 味道；气味11tasting, smelling or looking pleasant and fresh 清醇的；清新的◆The wine has a clean taste and a lovely golden colour.这葡萄酒味道清醇，色泽金黄。☞compare
unclean
IDIOMSas clean as a ˈwhistle( informal) very clean 干干净净a clean bill of ˈhealtha report that says sb is healthy or that sth is in good condition 健康证明；合格证明a clean ˈbreak1a complete separation from a person, an organization, a way of life, etc. （与人、组织、生活方式等的）彻底决裂◆She wanted to make a clean break with the past.她想与过去完全断绝。2a break in a bone in one place 一处骨折a clean ˈsheet/ˈslatea record of your work or behaviour that does not show any mistakes or bad things that you have done 无过错记录；清白的历史◆No government operates with a completely clean sheet.没有任何政府执政一点也不失误。◆They kept a clean sheet in the match (= no goals were scored against them).他们在比赛中保持了未失一分的纪录。make a clean ˈbreast of sthto tell the truth about sth so that you no longer feel guilty 彻底坦白；如实供认；把…和盘托出make a clean sweep (of sth)1to remove all the people or things from an organization that are thought to be unnecessary or need changing 全部撤换；彻底清除2to win all the prizes or parts of a game or competition; to win an election completely （比赛或竞赛中）大获全胜，包揽（所有奖项）；获得选举全胜◆China made a clean sweep of the medals in the gymnastics events.中国队在体操比赛中包揽了所有的奖牌。◆The opinion poll suggests a clean sweep for the Democrats.民意测验表明民主党有可能大获全胜。☞more at
nose
n.,
wipe
v.verb★1★[transitive , intransitive ]clean(sth) to make sth free from dirt or dust by washing or rubbing it 除去…的灰尘；使…干净；打扫◆to clean the windows/bath/floor擦窗户╱浴缸╱地板◆to clean a wound洗净伤口◆Have you cleaned your teeth?你刷牙了吗？◆The villa is cleaned twice a week.这栋别墅一周打扫两次。◆I spent all day cooking and cleaning.我一整天都忙着做饭和打扫清洁。☞see also
dry-clean
,
spring-clean
2[intransitive ]to become clean 变干净◆This oven cleans easily (= is easy to clean).这烤箱容易擦洗。3[transitive ]cleansth =
dry-clean
◆This coat is filthy. I'll have it cleaned.这件大衣脏了，我得送去干洗。4[transitive ]cleansth to remove the inside parts of a fish, chicken, etc. before you cook it （烹调前给鱼、鸡等）清除内脏IDIOMSclean ˈhouse( NAmE) 1to remove people or things that are not necessary or wanted 清除不必要的人（或事物）；裁减◆The new manager said he wanted to clean house.新上任的经理说他要裁员。2to make your house clean 打扫房屋clean up your ˈact( informal) to start behaving in a moral or responsible way 改邪归正；重新做人◆He cleaned up his act and came off drugs.他已改邪归正戒掉了毒品。PHRASAL VERBSˌclean sth↔ˈdownto clean sth thoroughly 彻底打扫；使…彻底干净◆All the equipment should be cleaned down regularly.所有设备都应该定期彻底打扫。ˈclean sth off/from sth | ˌclean sth↔ˈoffto remove sth from sth by brushing, rubbing, etc. 把…刷（或擦）掉◆I cleaned the mud off my shoes.我刷掉了鞋子上的泥土。ˌclean sth↔ˈoutto clean the inside of sth thoroughly 把（某物）内部彻底打扫干净◆I must clean the fish tank out.我必须把养鱼缸彻底清洗干净。ˌclean sb ˈout( informal) to use all of sb's money 耗尽（某人的）钱；用光（某人的）钱◆Paying for all those drinks has cleaned me out.购买那些饮料把我的钱花得一干二净。ˌclean sb/sth ˈout( informal) to steal everything from a person or place 洗劫◆The burglars totally cleaned her out.窃贼把她洗劫一空。ˌclean ˈup( informal) to win or make a lot of money 赢钱；赚大钱；发财◆This film should clean up at the box offices.这部电影在票房收入上应该能赚大钱。★ˌclean (yourself) ˈup( informal) to make yourself clean, usually by washing 把（身体）洗干净◆I need to change and clean up.我需要换洗一下。◆Go and clean yourself up.去梳洗干净吧。◆You'd better get cleaned up.你最好去梳洗一下。☞related noun
clean-up
ˌclean ˈup | ˌclean sth↔ˈupto remove dirt, etc. from somewhere 打扫（或清除）干净◆He always expected other people to clean up afterhim (= when he had made the place dirty or untidy).他总是指望别人来打扫他弄脏了的地方。◆Who's going to clean up this mess?这么又脏又乱的，谁来清理？◆to clean up beaches after an oil spillage清理石油泄漏后被污染的海滩☞related noun
clean-up
ˌclean sth↔ˈupto remove crime and immoral behaviour from a place or an activity 清除（某地或某活动中的）犯罪及不道德行为；清理；整顿◆The new mayor is determined to clean up the city.新上任的市长决心要整治好这座城市。◆Soccer needs to clean up its image.足球界的形象需要改善。☞related noun
clean-up
adverb( informal) used to emphasize that an action takes place completely （行动）彻底地，完全地◆The thief got clean away.那小偷已逃之夭夭。◆I clean forgot about calling him.我把给他打电话的事忘得一干二净。IDIOMcome clean (with sb) (about sth)to admit and explain sth that you have kept as a secret 全盘招供；和盘托出◆Isn't it time the government came clean about their plans for education?这难道不是政府彻底说明教育计划的时候了吗？noun[singular ]the act or process of cleaning sth 打扫；清扫◆The house needed a good clean.这房子需要彻底打扫。SYNONYMS 同义词辨析cleanwash ◆rinse ◆cleanse ◆dry-clean These words all mean to remove dirt from sth, especially by using water and/or soap. 以上各词均含打扫、洗净之意，尤指用水、肥皂等。■cleanto remove dirt or dust from sth, especially by using water or chemicals 指除去灰尘、打扫，尤指用水或化学品洗净、擦净：◆The villa is cleaned twice a week.这栋别墅一周打扫两次。◆Have you cleaned your teeth?你刷牙了吗？◆This coat is filthy. I'll have it cleaned (= dry-cleaned).这件大衣脏了，我得送去干洗。■washto remove dirt from sth using water and usually soap 指洗、洗涤：◆He quickly washed his hands and face.他很快把手和脸洗了。◆These jeans need washing.这条牛仔裤该洗了。■rinseto remove dirt, etc. from sth using clean water only, not soap; to remove the soap from sth with clean water after washing it 指用清水冲洗、清洗、冲掉皂液：◆Make sure you rinse all the soap out.一定要把皂液冲洗干净。■cleanseto clean your skin or a wound 指清洁（皮肤）、清洗（伤口）■dry-cleanto clean clothes using chemicals instead of water 指干洗PATTERNS◆to clean/wash/rinse/cleanse sth in / in sth ◆to clean/wash/rinse sth fromsth ◆to clean/wash/cleanse a wound◆to clean/wash the car / car ◆to wash/rinse your hair◆to have sthcleaned/washed/dry-cleaned clean/kliːn; NAmEkliːn/
1not dirty without any dirt, marks etcOPP dirty: Are your hands clean? clean towels Make sure you keep the wound clean.Wipe that sink clean when you’re done. As usual, she left her room clean and tidy before going to school. a spotlessly clean kitchen I want you to get those plates as clean as a whistle.2people/animals having a clean appearance and habits: Cats are naturally clean.3environment containing or producing nothing that is dirty or harmful → cleanlyclean air/water/energy etc the Clean Air Actcleaner fuels► see thesaurus at
environmentally friendly
4fair or legala)done in a fair or legal wayOPP dirty: a clean fightb)showing that you have followed the rules: a clean driving licence He’s got a clean record.c)[not before noun] informal not hiding any weapons or illegal drugs: They searched him, but he was clean.d)[not before noun] no longer taking illegal drugs: Dave’s been clean for two years now.5not offensive talk, jokes, behaviour etc that are clean are not offensive or about sexOPP dirty: Oh, don’t get mad – it’s just good clean fun!Keep it clean (=do not offend people with what you say).clean living (=a way of life which is healthy and moral)6come clean informal to finally tell the truth about something you have been hidingclean about The government should come clean about its plans.7make a clean breast of it to admit that you have done something wrong so that you no longer feel guilty8a clean breaka complete and sudden separation from a person, organization, or situation: Den left the next day, needing to make a clean break.9clean sheet/slate a record of someone’s work, behaviour, performance etc that shows they have not done anything wrong or made any mistakes: Jed looked forward to starting life again with a clean sheet. Lewis has kept a clean sheet in every game (=not let the other team score).10clean hands if a person, government, organization etc has clean hands, they have done something in a fair or legal way: Neither side is coming to the negotiating table with completely clean hands.11paper a piece of paper that is clean has not yet been usedSYN fresh12smooth having a smooth or regular edge or surface → cleanly: a clean cut Use a clean simple typeface for signs.13a clean bill of health a report that says you are healthy or that a machine or building is safe: Inspectors gave the factory a clean bill of health.14a clean sweepa)a very impressive victory in a competition, election etcclean for All the polls had pointed to a clean sweep for the Democrats. Hopes that the French would make a clean sweep at the Games were dashed.b)a complete change in a company or organization, often by removing people15taste having a fresh pleasant taste: Add a little lemon juice to give the pasta a cool clean taste.16clean copy a piece of writing without mistakes or other marks written on it17movement a clean movement in sport is skilful and exact: He steadied his arm, hoping for a clean shot.—cleanness noun [uncountable] →
clean-cut
, → keep your nose clean
at nose1(9)
COLLOCATIONSnounsclean clothes· He had a shower and changed into clean clothes.a clean shirt/sheet/towel etc· Where are all my clean socks?clean hands· Make sure you have clean hands before you eat.verbskeep something clean· You should always keep your kitchen clean.wipe something clean (=use a cloth to clean a surface)· He started to wipe the blackboard clean.sweep/scrub something clean (=use a brush to clean something)· She quickly swept the floor clean.leave something clean· Please leave the apartment clean when you go.adverbsspotlessly/scrupulously clean (=very clean)· Hospitals must be kept scrupulously clean.squeaky clean (=completely clean)· I like my hair to be squeaky clean.phrasesnice and clean (=clean)· Their job is to keep the streets nice and clean.clean and tidy especially BrE:· I insist my children keep their rooms clean and tidy.neat and clean especially AmE:· Her kids were always neat and clean.clean as a whistle (=very clean)· The place was clean as a whistle.THESAURUSclean without any dirt or marks: · They need clean water to drink.· I don’t have any clean clothes.pure water or air that is pure does not contain any dirt, pollution, or bacteria: · I breathed in the pure mountain air.sterile /ˈsteraɪl $ -rəl/ completely clean, with no bacteria, and therefore safe for medical or scientific use: · Place a sterile bandage on the wound.· sterile needlesspotless completely clean – used mainly about rooms and clothes: · Her kitchen is always spotless.pristine /ˈprɪstiːn/ completely clean and new-looking: · He wore a pristine white shirt.immaculate as clean and tidy as it is possible to be: · The soldiers’ uniforms have to be immaculate.spick and span [not before noun] informal clean and tidy, especially after having just been cleaned: · By the end of the day, the whole place was spick and span.
clean1 adjective
clean2 verb
clean3 adverb
clean4 noun
cleanclean2 ●●●S1W3 verb
Verb Table
Examples
Thesaurus
Collocations
Phrases
Word family
1[intransitive, transitive] to remove dirt from something by rubbing or washing → cleanse: Your shoes need cleaning. Is it easy to clean?clean something down/off We clean the machines down at the end of each day.clean something off/from something He used a tissue to clean his fingerprints off the gun. →
dry-clean
, → spring-clean
at spring-cleaning
2[intransitive, transitive] to clean a building or other people’s houses as your job: Anne comes in to clean twice a week.3clean your teeth British English to make your teeth clean using a toothbrush and toothpasteSYN brush your teeth American English4[transitive] to remove the inside parts of an animal or bird before cooking it: Harry caught the fish and cleaned them himself.5clean your plate to eat all your foodTHESAURUSclean to remove dirt from something: · I need to clean the car.· Clean the mud off your shoes.wash to clean something with water and usually soap: · She’s washing her hair.· There’s nowhere to wash your clothes.wipe to clean a surface with a cloth, often a wet cloth: · Wipe the worktop when you’ve finished cooking.scrub to wash something by rubbing it hard, especially with a brush: · They made her scrub the floor.rinse to remove dirt from something using water, especially after washing it with soap: · Rinse your hair thoroughly after shampooing it.cleanse formal to clean your skin, using water or a special cream: · There are many products available for cleansing your skin.bathe /beɪð/ to clean a wound or a part of your body with water: · Bathe the cut and put a plaster on it.do the dishes (also do the washing-up British English) to wash plates and pans after a meal: · Who’s going to help me do the dishes?do the laundry (also do the washing British English) to wash clothes: · On Tuesdays, he does the washing.clean out phrasal verb1clean something ↔ out to make the inside of a room, house etc clean or tidy: We’d better clean out the attic this week.2clean somebody out informal if something expensive cleans you out, you spend so much money on it that you now have very little left: Our trip to Paris cleaned me out.3clean somebody/something out informal to steal everything from a place, or all of someone’s possessionsclean up phrasal verb1to make a place completely clean and tidy: We spent all Saturday morning cleaning up.clean something ↔ up plans to clean up the beachesclean up after John always expects other people to clean up after him (=to make a place clean after he has used it).2to wash yourself after you have got very dirtyclean yourself up Let me just go clean myself up. Dad’s upstairs getting cleaned up.3clean up your act informal to start behaving sensibly and responsibly: Some companies could face heavy fines if they fail to clean up their act.4informal to win a lot of money or make a lot of money in a business deal: He cleaned up at the races yesterday.5 clean something ↔ up to improve moral standards in a place or organization: It’s high time British soccer cleaned up its image. →
clean-up
clean1 adjective
clean2 verb
clean3 adverb
clean4 noun
cleanclean3 adverb
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used to emphasize the fact that an action or movement is complete and thoroughclean away/through/out The thieves got clean away with $300,000 worth of equipment. The car hit her with such force that she was lifted clean off the ground. Sorry, I clean forgot (=completely forgot) your birthday.
clean1 adjective
clean2 verb
clean3 adverb
clean4 noun
cleanclean4 noun [singular] British English
Examples
Collocations
Phrases
Word family
a process in which you clean something: The car needs a good clean.