Settle down, children, stop running about.

孩子们，安静下来，别到处乱跑了。

youdao

Wait until the children settle down before you start the lesson.

等孩子们都静下心来再开始上课。

youdao

Wait until the children settle down before you start the lesson.

等孩子们都静下心来再开始上课。

youdao