费尽心思 fèi jìn xīn si

to rack one’s brains; think with great care

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. to rack one's brains (idiom); to take great pains to think sth through

Characters

Character Meaning
费 fèi HSK 4
to cost; to spend; fee
尽 jìn HSK 4
to the greatest extent; to be within the limits of
心 xīn HSK 3
heart; mind; intention
思 si HSK 2
to think; to consider