/kli:n; klin/
adj (-er, -est)
1 (a) free from dirt or impurities 清洁的; 乾净的; 无杂质的
*clean hands 乾净的手
* clean air, ie free from smoke, etc 清洁的空气
* a clean wound, ie one that is not infected 未感染的伤口
* wash, wipe, scrub, brush, etc sth clean 把某物洗、擦、擦洗、刷...乾净.
(b) that has been washed since it was last worn or used 洗过的
*a clean dress, towel, knife 洗过的连衣裙、手巾、小刀
* He wears clean socks every day. 他每天穿新洗的袜子.
* put clean sheets on a bed 把洗过的床单铺在床上.
(c) having clean habits; caring about cleanliness 爱乾净的; 讲究清洁的
*Cats are clean animals. 猫很爱乾净.
2 not yet used; unmarked 尚未用过的; 未作过标记的
*a clean sheet of paper 一张白纸.
3 (a) not obscene or indecent 不猥亵的; 不下流的
*Keep it clean! ie Don't tell dirty jokes! 嘴乾净点! （别开下流玩笑!）
(b) (dated 旧) good; innocent 好的; 无辜的; 清白的
*lead a clean life 过清白的生活.
(c) showing or having no record of offences 无过失记录的
*a clean driving-licence, ie one with no endorsements 无违章记录的驾驶执照
* She has a clean record. 她无违法记录.
(d) keeping to the rules; not unfair 遵守规则的; 公平的; 正当的; 不违例的
*a hard-fought but clean match 激烈而规矩的比赛
* a clean tackle, eg in a game of football 正当的抢截（如在足球赛中）.
4 having a simple and pleasing shape; well-formed 外形简洁美观的; 形状好的
*a car with clean lines 美观的汽车.
5 with a smooth edge or surface; regular; even 边或面光滑的; 规则的; 均匀的; 整齐的
*A sharp knife makes a clean cut. 快刀切得整齐.
* a clean break, eg the breaking of a bone in one place 整齐的断裂处（如骨折于一处）.
6 (esp in sport) skilfully and accurately done （尤指体育运动）动作纯熟准确的, 乾净利落的
*a clean hit, stroke, blow, etc 乾净利落的击中目标、一击、一拳等.
7 (infml 口) (of a nuclear weapon) producing little radioactivity （指核武器）几乎无放射性尘埃的.
8 (idm 习语) (as) clean as a new `pin (infml 口) very clean and tidy 非常整洁. (as) clean as a `whistle (infml 口)
(a) very clean 非常清洁.
(b) skilfully; deftly 熟练地; 灵巧地
*The dog jumped through the hoop as clean as a whistle, ie without touching it. 狗灵巧地跳过钻圈（没有触到圈）. a clean bill of `health report showing that one's health is good, esp after illness 健康状况良好的报告（尤指病後）
*The doctor gave him a clean bill of health. 医生给他一份健康良好的报告. a clean `sheet/`slate record of work or behaviour that does not show any wrongdoing in the past 过去工作或操行中无过错的记录
*He came out of prison hoping to start (life) again with a clean sheet, ie with his previous offences forgotten. 他出狱後希望重新做人. (make) a clean sweep (of sth)
(a) the removing of things or people that are thought to be unnecessary 去掉认为不必要的事物或人; 清除; 撤换
*The new manager made a clean sweep of the department. 新经理清除了部门中的冗员.
(b) victory in all of a group of similar or related competitions, games, etc （在所有有关竞争、比赛等中）大获全胜
*The Russians made a clean sweep of (the medals in) the gymnastics events. 俄罗斯运动员囊括体操项目奖牌. keep one's nose clean => nose1. make a clean break (with sth) change one's previous manner of living entirely 完全改变以前的生活方式
*He's made a clean break with the past. 他完全改变了过去的生活方式. make a clean breast of sth make a full confession of sth 完全承认某事物
*He made a clean breast of his crime to the police. 他向警方如实招供. show a clean pair of heels => show2. wipe the slate clean => wipe.

adv
1 completely; entirely 彻底地; 完全地; 全部地
*The bullet went clean through his shoulder. 子弹穿透他的肩膀.
* The thief got clean away. 窃贼逃得无影无踪.
* I clean forgot about it. 我把它忘得一乾二净.
* The batsman was clean bowled, ie without the ball hitting the bat or the pads first. 击球员被迫出局（球未先击中球板或护胫）.
2 (idm 习语) come clean (with sb) (about sth) (infml 口) make a full and honest confession 全盘招供; 和盘托出
*I've got to come `clean (with you) I was the one who broke the window. 我（向你）说实话--窗户是我打破的.

/kli:n; klin/
v
1 (a) [Tn] make (sth) clean or free of dirt, etc 使（某物）清洁或无灰尘等
*clean the windows, one's shoes, one's teeth 擦窗户、擦鞋、刷牙
* I must have this suit cleaned, ie at the dry-cleaner's. 我得把这套衣服送去乾洗.
* The cat sat cleaning itself. 猫坐着舔乾净自己的身体.
(b) [I] become clean 变乾净
*This floor cleans easily, ie is easy to clean. 这地面容易擦洗乾净.
2 (phr v) clean sth down clean sth thoroughly by wiping or brushing it 擦净或刷净某物
*clean down the walls 擦净墙壁. clean sth from/off sth remove sth from sth by brushing, scraping, wiping, etc 从某物上将他物刷掉、刮掉、擦掉等
*She cleaned the dirt from her finger-nails. 她从指甲里剔掉污垢. clean sth out clean the inside of sth thoroughly 彻底将某物内部弄得乾乾净净
*clean out the stables 彻底清扫马厩. clean sb out (of sth) (infml 口) use up or take all sb's money; take or buy all sb's stock 将某人所有的钱用完或取走; 将某人所有的存货取走或买走
*I haven't a penny left; buying drinks for everyone has cleaned me out completely. 我一个便士都没有了, 给大家买饮料把我的钱全花光了.
* The burglars cleaned her out of all her jewellery. 窃贼把她所有的首饰都偷走了. clean (oneself) up (infml 口) wash oneself 把身体洗乾净
*My hands are filthy; I'd better go and clean (myself) up. 我的手脏了, 最好去洗洗. clean (sth) up
(a) remove (dirt, rubbish, etc) from a place to clean it; make (a place) clean by removing dirt, etc 除去（污物、垃圾等）把一地方打扫乾净; 除去污物等使（一地方）乾净
*The workmen cleaned up (the mess) before they left. 工人们清理（杂物）後就走了.
* clean up (a room) after a party 聚会後（把房间）打扫乾净.
(b) (infml 口) make or win (a lot of money) 挣得或赢得（很多钱）
*He cleaned up a small fortune. 他发了一笔小财. clean sth up remove criminals, harmful influences, etc from sth 从某事物中清除罪犯、有害影响等
*The mayor is determined to clean up the city. 市长决心清除市内的不良现象.
* a campaign to clean up (ie reduce the amount of sex and violence shown on) television 清除电视中不良现象的运动（减少播放色情和暴力的节目）.

Harry MacLean (born 1943) is a writer and lawyer living in Denver, Colorado who writes true crime books and won an Edgar Award for his book In Broad Daylight.