The judge appeared to nod off yesterday while a witness was being cross-examined.

昨天当一名证人被盘问时，法官好像在打瞌睡。

《柯林斯英汉双解大词典》

The student began to nod off during math class.

那学生上数学课的时候开始打盹。

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In fact, they have the uncanny ability to nod off in the oddest of places, as these pictures show.

实际上，它们有着不可思议的能力在任何奇奇怪怪的地方打盹，正如下面这些照片一样。

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Sleeping bags and, blankets and steaming cups of tea were handed out and a few people managed to nod off.

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When the Volvo senses that its driver is about to nod off, it sets off a gong and some dashboard lights.

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It can also tell how long you sleep each night, as well as how long it takes you to nod off.

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