遵守课堂纪律，认真对待每一门课。

Demonstrate respect for the subject and lesson.

youdao

幸运的是，我们不是每一门课都要考试。

Fortunately, we don't have exams in every subject.

youdao

假若你得学习三四门课，便不可能为每一门课的课前准备都花上足够的时间。

If you have three or four subjects to study for, you're not going to be able to devote enough time to each subject in order to be well prepared for each class.

youdao

I told you, the way I'm going to teach any subject is going to start with the easiest example and lull you into some kind of security and then slowly increase the difficulty.

我之前讲过,我在上每一门课的时候,都是从最简单的例子开始,先打消你们的顾虑,然后渐渐加深难度

耶鲁公开课 - 基础物理课程节选

I say this in all my classes, I've published thousands of pages on different subjects, all of you can do it better, because you can do it from your own point of view you can do it afresh, you have new resources you are different people, you belong to different generations.

在每一门课上我都会这么说，我在不同课题上都,发表过许多文章，你们都可以做得更好，因为你们可以从自己的角度来做,你们可以做新鲜的，你们有新的资源,你们是不同的人，你们属于不同的一代人。

麻省理工公开课 - 电影哲学课程节选

In one study by James Cutting, Cutting taught an Introduction to Psychology course and before each lecture he'd flash pictures on the screen.

在James，Cutting做的一个研究中，他教一门心理学导论课程,在每节课上课前，他会在屏幕上放一些图片。

耶鲁公开课 - 心理学导论课程节选