Will you be quiet!

安静点儿！

《牛津词典》

Can you be quiet—I've just put the baby down.

请安静点—我刚哄小孩睡着了。

《牛津词典》

Can't you be quiet?

你不能安静些吗？

youdao

I shouldn't have brought you here.I'm so sorry. - What? What are you...- Just be quiet and stand behind me.

VOA: standard.other

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

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

You be quiet for a few measures.

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And I'll always be there with you, you just get quiet and daddy will be there right next to you.

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"To be an entertainer with just a guitar, you have to be an amazing person to make people be quiet and listen to you, " Adam says.

BBC: New York's new sound