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She's a shrewd businesswoman.

她是一个精明的商人。

《柯林斯英汉双解大词典》

He is a very shrewd operator with an incisive mind.

他是一位非常精明的经营者，有着敏锐的头脑。

《柯林斯英汉双解大词典》

In 2003,he renounced weapons of mass destruction, a shrewd move in the year the United States invaded Iraq in pursuit of such arms.

VOA: standard.2009.08.29

You might say it is less a body of true propositions than a shrewd sense of know-how or political savvy.

你可以说,这较不像是真实主张的本体,而较像是狡猾的诀窍意识,或说政治悟性。

耶鲁公开课 - 政治哲学导论课程节选

"There's a very shrewd economic profit-based interest system here at play and there are people on the Egyptian side and in the government of Gaza who are finding ways to benefit from this structure."

VOA: standard.2010.06.17

Perhaps Mr Murdoch will make a mess of the Wall Street Journal by undermining its editorial independence though surely he is too shrewd a businessman to mess with so valuable a brand.

ECONOMIST: In praise of Rupert Murdoch and Sumner Redstone

Nobody doubts that Mr Denktash is a shrewd debater and a fearsome negotiator, and can often charm.

ECONOMIST: The king of Turkish Cyprus

The bank bought San Francisco-based Golden West Financial in 2006 in what was then seen as a shrewd entry into a red-hot mortgage market.

FORBES: Banking's Mean Season