殚心

殫心
dānxīn
to devote one's entire mind

CEDICT

  1. (literary) to do with all one's heart
  2. (literary) wholeheartedly
  3. to do with all one's heart
  4. wholeheartedly

Wiktionary

尽心。

重編國語辭典

Entry Composition

1 殚 dān
  1. entirely
  2. to exhaust
2 心 xīn
  1. heart
  2. mind
  3. intention
  4. center
  5. core

classifiers: 顆, 個