Do you think I should act as if I knew a lot about the business, or should I keep my mouth shut except when I am spoken to?
你以为我应当充内行仿佛对商业很懂才好呢，还是人家不问就闭口不言呢？I stopped talking to allow them to ask the doctor their question, only to find out they had come in just to listen to my conversation.
于是我便闭口不言，让他们先询问医生。谁曾想他们进来只是想当听众而已！Though they threatened him, persuaded him, bullied him, and stormed at him, he steadfastly refused to speak.
尽管他们威胁他、劝说他、吓唬他，冲他大发雷霆，他始终闭口不言。But if we had been sold for bondmen and bondwomen, I had held my tongue, although the enemy could not countervail the king's damage.
我们若被卖为奴为婢，我也闭口不言。但王的损失，敌人万不能补足。There is an incentive to collude with other suppliers to boost prices, just as two prisoners have good reason to keep mum about their crime.
与其他供应商一起哄抬价格的动机，就像2个囚徒在他们的罪行方面都闭口不言。In conversation, when about to utter some word, give heed to that gentle voice, mind the check and refrain from speech.
当你与人谈话，正要发言的时候，如果里面有禁止的话，就该立即闭口不言。Piggy opened his mouth to speak, caught Jack's eye and shut it again.
猪崽子张嘴要说，瞥见杰克的眼神，又闭口不言。For this, the establishment will have no explanation, and as usual fall silent, offering none.
对于这一点，权势集团将不会有任何解释，，并且像往常一样闭口不言，什么都不提供。Everybody shuts up like a clam as soon as you mention it.
你一提及此事，大家便都闭口不言。