发愤

發憤
fāfèn
to make a determined effort

CEDICT

Entry Composition

1 发 fā
  1. to send out
  2. to show (one's feeling)
  3. to issue
  4. to develop
  5. to make a bundle of money
  6. classifier for gunshots (rounds)
2 愤 fèn
  1. indignant
  2. anger
  3. resentment