I get to meet a lot of people through the course of teaching, and I recognize a lot of faces.

我认识了很多的人,在教这门课程的过程中，我记得很多张脸。

麻省理工公开课 - 固态化学导论课程节选

Okay, which one is that? Seven o one three nine two four nine (70139249), what's...

我也一脸茫然，他们说的数字代表什么？70139249，什么意思？

社团小组信息 - SpeakingMax英语口语达人

I think both of us would love to see your smiling faces, or at least your faces, even if you're not smiling at us every day.

我觉得我们俩都想,看到你们微笑的脸，或者至少是你们的脸，即使你们不是每天都朝着我们俩笑。

麻省理工公开课 - 计算机科学及编程导论课程节选

Normally, of course, when I look in the mirror I see my face.

正常情况下,当我照镜子的时候,我会看到自己的脸

耶鲁公开课 - 死亡课程节选

Here we have two of our T.A.'s, actually these are the two head T.A.'s, and I want you to face forward so you don't see what I'm doing.

我们的两个助教在这里,事实上是两个助教主管,把脸朝前,不要看到我的动作

耶鲁公开课 - 博弈论课程节选

And as an introduction to faces I have a brief film clip from Paul Ekman, who is one of the world's great scholars in the study of facial expressions.

作为对脸的简介,我播放保罗，艾克曼的短片，他是伟大的学者,对面部表情很有研究。

耶鲁公开课 - 心理学导论课程节选