昏昏欲睡

nà chū xì tài chén mèn guān zhòng dōu hūn hūn yù shuì

那出戏太沉闷，观众都昏昏欲睡。

The play was so dull that the audience fell asleep.

zhè zhǒng yào huì shǐ rén hūn hūn yù shuì

这种药会使人昏昏欲睡。

The drug can make you drowsy.

shǒu shù hòu wǒ gǎn dào hěn lèi hūn hūn yù shuì

手术后我感到很累，昏昏欲睡。

I felt tired and drowsy after the operation.