他有时候有点任性，但心地其实很善良。

Tā yǒushíhou yǒudiǎn rènxìng, dàn xīndì qíshí hěn shànliáng.

He is sometimes a bit willful, but he is actually very kind-hearted.

你不能因为一时任性就辞掉工作。

Nǐ bùnéng yīnwèi yìshí rènxìng jiù cídiào gōngzuò.

You can’t quit your job just because of a moment of willfulness.

长大以后，她学会了控制自己的情绪，不再那么任性。

Zhǎngdà yǐhòu, tā xuéhuì le kòngzhì zìjǐ de qíngxù, bù zài nàme rènxìng.

After growing up, she learned to control her emotions and was no longer so willful.