瘾君子

dàng shí yǐn jūn zǐ zhèng zài lóu tī zhù shè dú pǐn

当时瘾君子正在楼梯注射毒品。

Drug users were jacking up in the stair.

wǒ men yào dāng nǐ shì yǐn jūn zǐ le

我们要当你是瘾君子了。

We'll be treating you for substance abuse.

wǒ dān xīn tā zài cì lún wéi yǐn jūn zǐ

我担心他再次沦为瘾君子。

I am worried that he will become a drug addict again.