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费尽心思

fèi jìn xīn si

Definitions

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

Child Words of 费尽心思

心思
xīn si
尽
jǐn
思
sī
尽心
jìn xīn
尽
jìn
心
xīn
费
fèi