There is too much talking in the room so I am asking you to stop now in respect for your classmates.

教室里太多人说话了,我命令你们马上停下来,为了尊重其他同学。

麻省理工公开课 - 固态化学导论课程节选

But my only criterion is if you talk in your sleep, now that's not allowed because talking is not allowed.

我唯一的要求就是别说梦话,因为我的课上不准说话的

耶鲁公开课 - 基础物理课程节选