我在打电话；你让孩子们安静点好吗？

Could you keep the kids quiet while I'm on the phone?

《牛津词典》

我说你安静点！

I said keep quiet!

youdao

你应该安静。

You should be quiet.

youdao

And that's how it actually gets to be so quiet when you have on, supposedly, these quite expensive headphones.

所以你戴上它后会觉得,周围非常安静，可想而知,这种耳机非常贵的。

麻省理工公开课 - 化学原理课程节选

Fourth floor is the quiet. You go into it and it's like, so silent. It's kind of scary.

四楼是安静区。你进去就觉得好寂静。有点吓人。

布朗的宿舍公寓 - SpeakingMax英语口语达人

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