辛勤

我习惯辛勤努力地工作。

Wǒ xí guàn xīn qín nǔ lì de gōng zuò.

I am accustomed to working hard.

他的成功要归结于他的辛勤工作和好运气。

Tā de chéng gōng yào guī jié yú tā de xīn qín gōng zuò hé hǎo yùn qi.

He owes his success both to working hard and to good luck.