这几年他一直靠打零工养活自己。

Zhè jǐ nián tā yīzhí kào dǎ línggōng yǎnghuó zìjǐ.

These past few years he has been supporting himself by doing odd jobs.

你不能总是靠父母，要学会独立。

Nǐ bù néng zǒngshì kào fùmǔ, yào xuéhuì dúlì.

You can't always rely on your parents; you need to learn to be independent.

我们只能靠自己的努力来改变现状。

Wǒmen zhǐ néng kào zìjǐ de nǔlì lái gǎibiàn xiànzhuàng.

We can only rely on our own efforts to change the current situation.