殚精极虑

dān jīng jí lǜ

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Définitions

  1. 1. to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly
  2. 2. to rack one's brains
  3. 3. to leave no stone unturned

Mots composant 殚精极虑

极
jí

extremely

精
jīng

essence

虑
lǜ

to think over

殚
dān

entirely