Closing the interview can be eased by using less challenging questions.

They had some pretty challenging questions, like how could you do that to your body.

They frequently present the most interesting and challenging legal questions.

Choose the correct answer and you'll get a more challenging question.

Trying to explain that second expansion in brain size is still a very challenging question.

That will be an interesting and challenging question in this case.

The unusual system of providing services at cost, however, also raises a challenging question.

You need to answer the three challenging questions that all readers unconsciously ask throughout every story they read.

So he asked it a challenging but not really critical question, a test question.

She gave him a moment's assessment, and might well have responded to his challenging question with irritation.