2 sentences for 操心 (cāo​xīn — to take care of)

1. 让我替剩下的事操心。

   ràng wǒ tì shèng xia de shì cāo xīn.

   Let me worry about the rest.

   Source: CCMatrix

2. 你有更重要的事情去操心。

   nǐ yǒu gèng zhòng​yào de shì​qing qù cāo xīn.

   You've got more important things to worry about.

   Source: OpenSubtitles