give pause
Verb
Meaning
give pause (third-person singular simple present gives pause, present participle giving pause, simple past gave pause, past participle given pause)
(idiomatic) To give somebody cause for concern.
Here is a fact that will give you pause. Many states do not publish the voting records of their legislators.
Examples
It should give pause to all the Americans who regard fruitcake as the ultimate Christmas brick, worthy only of rewrapping and regifting!
I figured that this news would surely cause some to give pause, and that simply by standing my ground I would take their place in line.
It's not a heavy read, but does give pause to how one looks at other people.