He is very sharp, a quick thinker and swift with repartee.

他很机敏、思维敏捷并且能机智应答。

《柯林斯英汉双解大词典》

He gave me a sharp push.

他猛地推了我一下。

《柯林斯英汉双解大词典》

His lawyer's a sharp operator.

他的律师是个老狐狸。

《牛津词典》

Paul Bunyan could clear large wooded areas with a single stroke of his large, sharp axe.

VOA: special.2009.01.24

A different way of putting it-- and none of this is going to come in with a sharp, decisive theory.

从另一个角度来看-,注意，我现在讲的内容,目前都没有一个明确的理论。

耶鲁公开课 - 心理学导论课程节选

Here we have arrived at a second sharp break with the general experience of mankind.

于是就产生了第二次,人类一般经验的大变革

耶鲁公开课 - 古希腊历史简介课程节选

Perhaps the problem here is that Mr Cannadine looks for too sharp a break.

ECONOMIST: The British empire

David Jones is a man with a sharp mind and a sharp tongue to go with it.

BBC: The only Jones in the Wales Office

Yet even Obama's Libya policy is not as sharp a departure from Bush's foreign policy as his Israel policy is.

CENTERFORSECURITYPOLICY: An Obama foreign policy