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 it is imperative that you do not forget things as simple as brushing your teeth.

但不要忘记像刷牙这样的小事也是必须的。

Make sure 实战 - SpeakingMax英语口语达人

So, I make a pledge. You give me seven hours a week, you will pass this class, not just by the skin of your teeth. You will pass it.

我保证，你们要是一周学习7个小时，肯定可以通过这门课，一点都不惊险，你们会通过的。

麻省理工公开课 - 固态化学导论课程节选

The only rider on that being, if they're producing Coca-Cola and you have any kind of concern for your teeth, maybe you shouldn't produce so much anyway.

如果可口可乐是唯一的生产者,并且你狠关心牙齿健康的话,或许你就不应该生产这么多产品了

耶鲁公开课 - 博弈论课程节选

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

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

Make sure to brush your teeth.

记得刷牙。

Make sure 实战 - SpeakingMax英语口语达人