You don't have to work very hard to figure out what these different facial expressions mean.

你不必努力地去学习,去辨析不同面部表情的含义。

耶鲁公开课 - 心理学导论课程节选

You've got that facial expressions down.

你可以轻而易举地做出各种面部表情。

I'm ready to 课堂 - SpeakingMax英语口语达人

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

This is from a Japanese women facial expressions.

这是日本女性的面部表情。

耶鲁公开课 - 心理学导论课程节选

First, I want to talk a little bit about facial expressions, which are ways in which we communicate our emotions not the only way, but an important way and look, in particular, at the case of smiling because it's kind of interesting.

首先，我要讲一点面部表情，这是我们在情感中的交流方式,不是唯一方式，但是重要的方式,看，特别是，拿微笑为例,这有点有趣。

耶鲁公开课 - 心理学导论课程节选