翻译 wait until the children settle down before you start the lesson
问题描述：
翻译 wait until the children settle down before you start the lesson
答
等到孩子们安静下来后在开始上课吧
答
等到孩子们坐好了你再开始上课
答
等孩子们安静下来再开始上课（讲课)