当推销员在回避回答我的一些问题时，我不相信他脸上那可疑的微笑。

I didn't trust the fishy smile of the salesman when he avoided answering some of my questions.

youdao

我的一位朋友也不例外，他在商队旅馆里有一食品摊位，正朝我咧嘴微笑，露出一排金色的牙齿。

My friend, who has a food stall in the caravanserai, is no exception and grins at me with an entire set of glinting gold.

youdao

我的英语老师在课堂上总是带着甜甜的微笑。

My English teacher always wears a sweet smile in class.

youdao

I don't know. There's evidence that the coy smile shows up in non The question was, "Do nonhuman primates give the same smiles that humans do?

我不知道，有证据表明,腼腆微笑在非人类,问题是，灵长类和人类微笑相同吗？

耶鲁公开课 - 心理学导论课程节选

And this is my colleague, Marianne LaFrance, who is actually not smiling in that picture but she studies smiling and smiling in adults, smiling in children, smiling across cultures, and the different social uses of smiling.

另一位是我的同事，法国人玛丽安，她在照片上没有笑,但她研究微笑，成人的微笑，孩子的微笑，文明的微笑，微笑的不同社会功用。

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