缺席

他在点名时缺席。

tā zài diǎn míng shí quē xí。

He was absent at roll call.

从上周三起，她一直缺席。

cóng shàng zhōu sān qǐ， tā yī zhí quē xí。

She has been absent since last Wednesday.

汤姆不知道为什么玛丽缺席。

Tāng mǔ bù zhī dào wèi shén me Mǎ lì quē xí。

Tom doesn't know why Mary is absent.