This can help a worker keep his nose clean or stay out of trouble.

VOA: special.2009.09.13

The simile pushes the size of the spear clean out of our rational comprehension, and it's this process that is, according to Stanley Fish, the point of the simile.

这个比喻对长矛的形容,大大超出了正常的理解范围，对斯坦利费什来说，这恰恰是表达这个比喻的目的的一个过程。

耶鲁公开课 - 弥尔顿课程节选

Clean my apartment and I usually go out for brunch at least one day of the weekend.

我会打扫房间，周末至少也会有一天外出吃早午饭。

自行车和纽约 - SpeakingMax英语口语达人

Bad weather has interfered with efforts to send out boats to clean up the oil and watch for the effects on wildlife in the Gulf of Mexico.

VOA: special.2010.05.04

And last June,says Sittenfeld, the House passed the American Clean Energy and Security Act, the first bill out of either chamber of Congress to directly take on the challenge of global warming.

VOA: standard.2010.02.25

National and state governments around the world have been trying out various incentives and subsidies to promote clean renewable energy but the global economic slowdown has hurt the ability of many governments to dole out public funds.

VOA: standard.2010.03.23