Shut one's mouth and Say nothing

Shut one's mouth verb - Refrain from divulging sensitive information; keep quiet about confidential information.

Say nothing and shut one's mouth are semantically related. In some cases you can replace phrase "Say nothing" with "Shut one's mouth", this phrases are similar.

Shut one's mouth and say nothing are semantically related. Sometimes you can replace phrase "Shut one's mouth" with "Say nothing", this phrases are similar.