管自

tā yī jù huà méi shuō guǎn zì huí jiā qù le

他一句话没说，管自回家去了。

He hurried home without saying anything.

ràng tā men qù zhēng ba wǒ men guǎn zì gàn

让他们去争吧，我们管自干。

Let them argue. Let's just do it anyway.

tā guǎn zì zhèng qián

他管自挣钱。

He is just trying to make money.