Even though we have a noun, the smile, that if you're not careful might lull you into thinking there must be a thing, the smile.

即使我们有笑容这个名词,如果你不够谨慎,可能会想当然地认为,一定存在着笑容这一事物

耶鲁公开课 - 死亡课程节选

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