One thing I do ask you: If you are not doing it, if you don't participate, simply just keep quiet.

我对你们的一个要求是：,如果你不做，不参与的同学，请保持安静。

哈佛公开课 - 幸福课课程节选

you should be given the opportunity to be quiet.

你应该有权保持安静。

对于义务投票制 - SpeakingMax英语口语达人

None. When you walk through that door it's an act of free will, and I will not have anything other than complete silence.

走过那道门,是你的自由，我不会做其他事,除非保持安静。

麻省理工公开课 - 固态化学导论课程节选

We go to these concerts and we have to be so quiet.

我们去听这些演奏会时都要保持绝对安静

耶鲁公开课 - 聆听音乐课程节选

and being still and quieting the mind

然后保持平静和心灵的安静

瑜伽的魅力 - SpeakingMax英语口语达人

Why do we have to be so quiet?

为什么我们要保持如此的安静

耶鲁公开课 - 聆听音乐课程节选

Why do we have to be quiet?

我们为什么要保持安静呢

耶鲁公开课 - 聆听音乐课程节选