Also, keep still.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use keep quiet in a sentence
After which we all just decided to go along with it and keep quiet?
For generations, gay priests were accepted into the church as long as they were willing to keep quiet about it.
The mouth gets to say all kinds of things, but the other place is supposed to keep quiet.Mel Brooks Is Always Funny and Often Wise in This 1975 Playboy Interview | Alex Belth | February 16, 2014 | THE DAILY BEAST
But they learned, they said, that it was best to keep quiet about such requests.
Meanwhile, staff at the Wynn Hotel in Las Vegas have been warned to keep quiet about the scandal.
During the three days of raising the loan your bears are to keep quiet; there are to be no manœuvres.Black Diamonds | Mr Jkai
He will keep quiet so long as you do; but if you make an antagonistic move be will punish you if possible.Our Churches and Chapels | Atticus
Then the King said that they would first of all keep quiet and learn more particulars anent this host.The Sagas of Olaf Tryggvason and of Harald The Tyrant (Harald Haardraade) | Snorri Sturluson
We can't tell—don't care about knowing; you have met now; and keep quiet, if possible, whilst being vivisected.Our Churches and Chapels | Atticus
He thought it best to keep quiet until Herbert Murray should be gone.Jack Harkaway's Boy Tinker Among The Turks | Bracebridge Hemyng