cleaner , cleanest
Something that is clean is free from dirt or unwanted marks.
The subway is efficient and spotlessly clean.
地铁快捷,而且一尘不染。
Tiled kitchen floors are easy to keep clean.
铺了地砖的厨房地面容易保持清洁。
You say that people or animals are clean when they keep themselves or their surroundings clean.
We like pigs, they're very clean.
我们喜欢猪,它们很爱干净。
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.
电动车爱好者说电动车无污染,无噪音,而且经济。
If you describe something such as a book, joke, or lifestyle as clean, you think that they are not sexually immoral or offensive.
They're trying to show clean, wholesome, decent movies.
他们在尝试放映纯洁、健康、正派的电影。
Flirting is good clean fun.
调情是谑而不虐。
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.
逃税的指控玷污了他清廉的形象。
A clean game or fight is carried out fairly, according to the rules.
He called for a clean fight in the election and an end to 'negative campaigning'.
他呼吁在竞选中公正交锋,停止“消极竞选”。
A clean sheet of paper has no writing or drawing on it.
Take a clean sheet of paper and down the left-hand side make a list.
拿一张白纸,在左下边列个清单。
Clean is used to emphasize that something was done completely.
It burned clean through the seat of my overalls.
我的工作裤的臀部全被烧没了。
The thief got clean away with the money.
贼偷了钱逃之夭夭了。
clean out
If you clean out something such as a cupboard, room, or container, you take everything out of it and clean the inside of it thoroughly.
Mr Wall asked if I would help him clean out the barrels.
沃尔先生问我能否帮他把桶彻底清扫了。
clean up
If you clean up a mess or clean up a place where there is a mess, you make things neat and free of dirt again.
Police in the city have been cleaning up the debris left by a day of violent confrontation.
城里的警察一直在收拾一天的暴力冲突留下的残骸。
To clean up something such as the environment or an industrial process means to make it free from substances or processes that cause pollution.
Under pressure from the public, many regional governments cleaned up their beaches.
迫于公众的压力,许多地区政府治理了海滩污染。
If the police or authorities clean up a place or area of activity, they make it free from crime, corruption, and other unacceptable forms of behaviour.
After years of neglect and decline, the city was cleaning itself up.
在多年的荒废和衰退之后,该城市在进行自我整治。
If you go and clean up, you make yourself clean and neat, especially after doing something that has made you dirty.
Johnny, go inside and get cleaned up.
约翰尼,进去把自己收拾收拾。
cleans , cleaning , cleaned
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.
Her father cleaned his glasses with a paper napkin.
她父亲用一张餐巾纸擦了擦他的眼镜。
It took half an hour to clean the orange powder off the bathtub.
用了半个小时才把浴缸里的橙色粉末擦掉。
If you clean a room or house, you make the inside of it and the furniture in it free from dirt and dust.
Mary cooked and cleaned for them.
玛丽为他们做饭、打扫卫生。