It's a poem on which this very young poet is cutting his teeth.

这首诗让这个年轻的诗人变得成熟。

耶鲁公开课 - 弥尔顿课程节选

it's your teeth. Did you get your teeth whitened?

是你的牙齿。你去漂白牙齿了吗？

You look 实战 - SpeakingMax英语口语达人

Because it's hurting his health, his teeth.

因为糖损害他的健康，牙齿。

哈佛公开课 - 幸福课课程节选

They're not bidden to be cast out in to utter darkness where there's weeping and gnashing of teeth.

没有因为无所事事而受惩罚,他们没有被罚去充满哭泣声和牙齿的无尽的黑暗里。

耶鲁公开课 - 弥尔顿课程节选

That's why there's a lot of emphasis on sharpening your teeth by doing this class of problems.

这就是为什么强调要通过解决这些问题,来提高你的能力

耶鲁公开课 - 基础物理课程节选

But of course, when you imagine the Cheshire Cat only having the smile there, you're still imagining the cat's lips, teeth, maybe tongue, whatever it is.

但是当然,当你想象笑脸猫只剩下微笑的时候,你仍然想象着它的嘴唇,牙齿 或许还有舌头,不管是什么

耶鲁公开课 - 死亡课程节选

Professor Paul Bloom: I don't know if that's--The question is, "Is there a difference between smiling with your teeth versus just your lips closed?"

我不知道是否，问题是，微笑露齿与不露齿有不同吗“

耶鲁公开课 - 心理学导论课程节选

I move out of the room toward the bathroom, planning to brush my teeth. As I enter the bathroom, it's much more light, I look in the mirror and-- here's where things get really weird--I don't see anything.

我离开卧室走向浴室,要去刷牙,当我走进浴室时,光线明亮了些,我看着镜子,从这里情节就诡异了,我什么也没看到

耶鲁公开课 - 死亡课程节选