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Angela is a really shrewd person.

His shrewd move won us a lot of money.

shrewd businessman/investment/eyes

"But she is shrewd enough to know that partisanship would only narrow her audience."

He may be a poor talker and far from shrewd, but I like him all the better for that.

He is shrewd and calculating.

... these estimates were quite shrewd, sophisticated, and(it would...

He was shrewd enough not to take the ​job when there was the ​possibility of getting a ​better one a few ​months ​later

shrewd municipal buyers started to scratch their heads

Despite his looks, he can be a very shrewd person.

savvy well-informed and shrewd

I felt her shrewd eyes looking me up and down.

she was shrewd enough to guess the motive behind his gesture

He was too shrewd to leave himself out in the open.

They are shrewd in trade.