While not unexpected, the question did cause Crystal to hesitate and look over at her roommate.

Mike's sudden transition to a serious tone caused Alan to hesitate.

"The pirates are into a number of endeavors that cause politicians to hesitate."

He had made considerable progress on his return when the fall of the knife again caused him to hesitate.

Two of them passed the door as Hellstrom left, causing him to hesitate.

It was the patrolling machines that caused him to hesitate.

Richard must have been aware of that fact and it probably caused him to hesitate.

But his indecision caused him to hesitate, and the line went dead.

A glimpse of the wizard's face caused him to hesitate.

The motion caused her to hesitate when the light turned green.