四周若再安静一些，我会干得更好。

I would work better if I had some peace and quiet.

《牛津词典》

等孩子安静下来你再开始上课。

Wait until the children have settled down before you start your lesson.

《新英汉大辞典》

她无法再保持安静，开始大哭起来。

Unable to keep quiet, she began to cry out.

youdao

Again, deep breath in; slow, gentle, quiet breath out.

再一次深深吸气;,缓慢，平稳，安静地呼气。

哈佛公开课 - 幸福课课程节选