Have you cleaned your teeth ?

你刷过牙了吗？

《牛津词典》

Have you brushed your teeth?

你刷过牙了吗？

《柯林斯英汉双解大词典》

Have you cleaned your teeth?

你刷过牙了吗？

《牛津词典》

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

Choose one activity from your daily routine: showering, your commute, brushing your teeth, drinking coffee.

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Mr. Gutman talked about holding a pencil between your teeth to suppress a smile.

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Your dentist can tell you definitively if you grind your teeth at night or not.

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