Her brother is a shrewd businessman.

她兄弟是个精明的生意人。

youdao

My boss is such a shrewd businessman everyone admires him.

我的老板是个非常精明的生意人，每个人都很欣赏他。

youdao

Colorful eccentricities aside, Mr. Kelley is also a shrewd businessman who avoids the limelight.

WSJ: The Man With a Million Acres

Sergio Marchionne is once again looking like an incredibly shrewd businessman.

FORBES: At Chrysler, Marchionne Again Spins Straw Into Gold

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