打瞌睡

kè táng shang dǎ kē shuì

课堂上打瞌睡

doze away the class

gōng zuò shí dǎ kē shuì

工作时打瞌睡

doze over one's work

nà zhī māo zài huǒ lú páng dǎ kē shuì

那只猫在火炉旁打瞌睡。

The cat dozed off by the fire.

xià kè hòu wǒ wán de gèng fēng kuáng huí jiào shì biàn xiǎng dǎ kē shuì

下课后我玩得更疯狂，回教室便想打瞌睡。

After class, I played more crazy. When I sat back in the classroom, I wanted to doze off.

yóu yú wǒ yī zhí dǎ kē shuì jié guǒ cuò guò le diàn yǐng

由于我一直打瞌睡，结果错过了电影。

I missed the movie because I kept nodding off.