?保持沉默

... Keeping Mum保持缄默;戆豆撞正女杀手;保持沉默;坚持缄默 Keep mum保持沉默 My Mum我妈妈 ...

?保持缄默

... 灵异第六感 The Sixth Sense 保持缄默 Keep Mum 阿甘正传 Forrest Gump ...

?闭口不说

... Keep it under your hat 保守秘密 Keep mum 闭口不说 Keep up with the Joneses 跟有钱人比排场 ...

?钳口不言

keep one's mouth shut; keep mum; shut the mouth tightly and not speak 钳口不言 He' d better keep his mouth shut, or else..