Grammar fix

keep quiet

not speak

to stop talking or remain silent, especially when asked or expected to do so.

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

Please keep quiet during the movie so everyone can enjoy it.daily life
In my opinion, it's important to keep quiet in the library because it helps others focus on their studies.IELTS speaking

Pattern: keep quiet (about something) / keep quiet (imperative)

WrongHe kept quiet the secret.

RightHe kept quiet about the secret.

'Keep quiet ABOUT something' — don't drop 'about'.

Patternkeep quiet (about something) / keep quiet (imperative)

Choose the version that sounds natural in speech.

Stiff I elected to remain silent regarding the matter.

Natural I decided to keep quiet about it.

'Keep quiet' is natural; 'remain silent regarding the matter' is formal/legal.

Words that usually travel with it.

'Keep quiet' focuses on staying silent, while 'stay quiet' can also mean not making noise.