词典释义：
free from dirt, marks, or stains
清洁的，干净的
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the room was spotlessly clean 房间干净得一尘不染
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keep the wound clean .保持伤口清洁。
having been washed since last worn or used
洗干净的
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a clean blouse .一件洗干净的罩衫。
[attrib.](of paper)not yet marked by writing or drawing
（纸）空白的
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he copied the advert on to a clean sheet of paper .他把广告复印在一张空白纸上。
(of a person)attentive to personal hygiene
（人）注意个人卫生的，爱清洁的
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by nature he was clean and neat .他天生是个爱整洁的人。
[predic.](of a child or animal)toilet-trained or house-trained
（儿童，动物）训练成会使用厕所的；训练成不在屋内随地大小便的。
free from pollutants or unpleasant substances
无污染的；干净的，纯净的
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we will create a cleaner, safer environment .我们会创造一个更干净，更安全的环境。
free from or producing relatively little radioactive contamination
不含放射性污染物的；释放少量放射性污染物的。
morally uncontaminated; pure; innocent
清白的；纯洁的；天真的；无邪的
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clean living. 纯洁的生活。
not sexually offensive or obscene
不淫秽的；不猥亵的
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it's all good clean fun 这是全无色情内容的娱乐
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even when clean, his verses are very funny .即使不说下流话，他的诗歌也非常有意思。
showing or having no record of offences or crimes
无不良记录的；无前科的
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a clean driving licence is essential for the job. 拥有一张无违章记录的驾驶执照对获得这份工作来说很重要。
played or done according to the rules
遵守规则的；按规则进行的
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it was a good clean fight .这是一场完全按规则进行的角逐。
[predic.]
〈非正式〉 不私藏（或不包含）违禁品（尤指毒品或赃物）的
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I searched him and his luggage, and he was clean .我搜查了他和他的行李，他没有携带违禁品。
[predic.]
〈非正式〉 （人）不吸毒的；不喝酒的；没吸毒的；没喝酒的。
free from ceremonial defilement, according to Mosaic Law and similar religious codes
（摩西律法等类似宗教法典规定的）不亵渎宗教仪式的。
(of an animal)not prohibited under such codes and fit to be used for food
（动物）不亵渎宗教教规可食用的。
free from irregularities; having a smooth edge or surface
平整的；边缘（或表面）光洁的
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a clean fracture of the leg .断裂处很平整的腿部骨折。
having a simple, well-defined, and pleasing shape
（外形）简朴、界限分明而优美的
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the clean lines and pared-down planes of modernism .现代主义明晰的线条以及削薄的平面。
(of an action)smoothly and skilfully done
（行动）干净利落的
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I still hadn't made a clean take-off .我仍然未能完成一次干净利落的起飞。
(of a taste, sound, or smell)giving a clear and distinctive impression to the senses; sharp and fresh
（滋味）浓烈的，（声音）刺耳的，（气味）强烈的
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clean, fresh, natural flavours .浓烈，新鲜，自然的滋味。
(of timber)free from knots
（木材）无树节的。
so as to be free from dirt, marks, or unwanted matter
干净地；纯洁地
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the room had been washed clean .房间已打扫干净。
〈非正式〉 彻底地，完全地
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he was knocked clean off his feet 他被彻底击倒
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I clean forgot her birthday .我完全忘了她的生日。
make (something or someone) free of dirt, marks, or mess, especially by washing, wiping, or brushing
（尤指通过洗、擦或刷的办法）把…弄干净，为…去除污垢
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clean your teeth properly after meals 饭后好好地刷牙
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chair covers should be easy to clean 椅套应该很容易清洗
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we cleaned Uncle Jim up and made him presentable 我们把吉姆叔叔梳洗干净，让他好见人
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[no obj.]
he always expected other people to clean up after him 他总是指望别人替他收拾残局
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[as noun
cleaning ]Anne will help with the cleaning .安妮会帮忙打扫的。
remove the innards of (fish or poultry) prior to cooking
烹调前先去除（鱼，家禽）的内脏。
〈主英〉 去垢，刷净，打扫
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he gave the room a clean .他把房间打扫了一番。
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（
as ）clean as a whistle 见WHISTLE .clean bill of health 见BILL OF HEALTH .clean someone's clock N .Amer .informal give someone a beating 〈北美，非正式〉 将某人痛打一顿 -
defeat or surpass someone decisively 彻底击败某人；完胜某人
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clean house N .Amer . do housework 〈北美〉 做家务 -
eliminate corruption or inefficiency 清除腐败；消灭无能
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clean one's plate eat up all the food put on one's plate 吃光盘中食物 -
clean up one's act informal begin to behave in a better way, especially by giving up alcohol, drugs, or illegal activities 〈非正式〉 开始检点行事（尤指戒烟、戒毒、不犯罪） -
come clean informal be completely honest; keep nothing hidden 〈非正式〉 和盘托出；毫无保留；说实话the Chancellor must come clean about his plans for increasing taxation . 首相必须毫无保留地公布其增加赋税的计划 -
have clean hands be uninvolved and blameless with regard to an immoral act （对于不道德行为）清白，无可指责no one involved in the conflict has clean hands . 牵扯进此冲突的无一人是清白的 -
keep one's hands clean not involve oneself in an immoral act 洁身自好；不同流合污；不染指（不道德行为） -
keep one's nose clean 见NOSE .make a clean breast of something （或make a clean breast of it ） confess fully one's mistakes or wrongdoings 全盘招供；全盘承认过错 -
make a clean job of something informal do something thoroughly 〈非正式〉 彻底完成某事 -
make a clean sweep １ remove all unwanted people or things ready to start afresh 完全撤换（不需要的人，物），改头换面 -
2 win all of a group of similar or related sporting competitions, events, or matches （在同类或相关体育赛事中）囊括各项锦标 -
wipe the slate clean 见WIPE .
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clean someone out informal use up or take all someone's money 〈非正式〉 花光某人的钱；榨尽某人的钱they were cleaned out by the Englishman at the baccarat table . 在玩巴卡拉纸牌戏赌博中，他们被那英国人赢去了所有的钱 -
clean up informal make a substantial gain or profit 〈非 正式〉 发大财 -
win all the prizes available in a sporting competition or series of events 赢得（一项或系列体育竞赛或赛事）大满贯
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clean something up restore order or morality to 恢复…的秩序；重建… 的道德风尚the police chief was given the job of cleaning up a notorious district . 警察局局长受命恢复这一声名狼藉地区的秩序
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clean up (sth) = clean (sth) up 打扫(或清除)干净
真题例句：
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clean out (sth) = clean (sth) out 清理；清理干净；清除
真题例句：
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clean (sth) off = clean off (sth) 把...擦掉
真题例句：
"Old English
