fán​xīn

to trouble about

烦心 煩心 fán​xīn
to trouble about verb
to take trouble; to bother with; to tax one's mind (often due to someone's misbehavior or a complex task)

You won't have to worry about me anymore.

annoying
causing one to feel vexed or troubled; vexatious; troublesome
vexed
to feel annoyed or agitated in one's mind

Frequency

Movie subtitles
5.60 per million appears in 3% of films
Written text
2.82 per million

Sources