He was pleased at the dog's shrewd questions, and had said so.

It was a shrewd question, and he was not sure if the obvious answers were the right ones.

All this while Jacob Smith sat opposite to them, saying little, save now and again to ask a shrewd question.

She devised a shrewd indirect question: "Do you feel that some people are getting more than their fair share?"

The men had questions for her, shrewd but courteous.

The Prior heard him patiently, with here and there a shrewd question.

A question too shrewd for any young boy to ask.

The sultan was extremely well informed and asked shrewd questions.

The Prince made no response to this shrewd question, but mounted Fireheel.

She listened in silence for the most part, but occasionally interjected shrewd, pertinent questions.