“守口如瓶”，汉语成语，意思是闭口不谈，像瓶口塞紧了一般，形容说话谨慎，严守秘密。可以翻译为“keep one's mouth tightly shut，be tight-mouthed，seal one's lips”等。

 

例句：

 

他要我们守口如瓶。

He asked us to keep our mouths shut.

 

他对此守口如瓶。

He kept a tight lip about this.