[for an audience] to refuse to applaud. (see also sit on one's hands.)

listen to the pronunciation of [for an audience] to refuse to applaud. (see also sit on one's hands.)
Английский Язык - Английский Язык
(deyim) sit on one's hand

1. The performance was really quite good, but the audience sat on its hands. 2. They sat on their hands during the first act.