她睡觉时磨牙。

She grinds her teeth when she is asleep.

《牛津词典》

一些人睡觉时紧咬牙关或磨牙，这种情况称之为磨牙症。

Some people clench or grind their teeth while they sleep, a condition called bruxism.

youdao

有些人睡觉时磨牙。

Some people grit their teeth during their sleep.

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我老婆晚上睡觉时磨牙。

My wife grinds her teeth at night.

youdao

有些人睡觉时磨牙齿。

Some people grind their teeth while they are asleep.

youdao

有些人睡觉时磨牙齿。

Some people grind their teeth while they are asleep.

youdao