劳心苦思

勞心苦思
láoxīnkǔsī
  1. to rack one's brains
  2. to think hard

CEDICT

Entry Composition

1 劳心 láoxīn
  1. to work with one's brains
  2. to rack one's brains
  3. to worry
2 苦思 kǔsī
  1. to think hard
  2. bitter thoughts
  3. to pour out one's sufferings

Related entries

搜索枯肠 sōusuǒkūcháng to rack one's brains (for apt wording etc) (idiom)
绞尽脑汁 jiǎojìnnǎozhī to rack one's brains
绞脑汁 jiǎonǎozhī to rack one's brains
冥思苦想 míngsīkǔxiǎng
  1. to consider from all angles (idiom); to think hard
  2. to rack one's brains
劳心 láoxīn
  1. to work with one's brains
  2. to rack one's brains
  3. to worry
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