keep your ˈmouth shut(informal)to not talk about sth to sb because it is a secret or because it will upset or annoy them守口如瓶；保持缄默I've warned them to keep their mouths shut about this.我警告他们对此事要守口如瓶。Now she's upset—why couldn't you keep your mouth shut?瞧她现在心烦意乱的样子，你就不能闭上嘴？ |