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劳心苦思

láo xīn kǔ sī

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释义

  1. 1. to rack one's brains
  2. 2. to think hard

劳心苦思 的构成词

心
xīn

heart

苦
kǔ

bitter

劳
láo

to toil

劳心
láo xīn

to work with one's brains

思
sī

to think

苦思
kǔ sī

to think hard