Refrain from divulging sensitive information; keep quiet about confidential information.
1
Go in the spare room, where it is cool; we'll keep quiet.
2
You need to be able to keep quiet when hunting and fishing.
3
The story is that my father paid her to keep quiet, right?
4
The longer they keep quiet and do nothing, the better for us.
5
So they keep quiet and hope someone else will take the risk.
1
"Perhaps it is as well that the laws of politeness keep one's mouth shut at times, and that we do not say what we feel."