bite your tongue
强忍抑制自己不说出来
口语·表示忍住不说不礼貌的话
英文释义
to refrain from speaking, especially when wanting to say something that would be impolite or inappropriate
例句
When my boss made that silly comment, I had to bite my tongue to avoid arguing.
典故来源
源于咬住舌头以防说话的本能反应,强调在社交场合为避免冲突而强行沉默。