After they had quarrelled there was a pained silence between them.

"他们发生争吵以后,双方都因感情上受到伤害而沉默。"

He is mute on the subject of social system.

他对社会制度问沉默。

I'd never have breathed a syllable if he'd kept quiet.

如果他时沉默，决不会说一个字。

They remained dumb at the meeting.

他们在会上沉默。

He was silent on the subject.

他对这个问沉默。