堅信

坚信
jiānxìn
  1. to believe firmly
  2. without any doubt

CEDICT

Entry Composition

1 堅 jiān
  1. strong
  2. solid
  3. firm
  4. unyielding
  5. resolute
2 信 xìn
  1. letter
  2. mail
  3. to trust
  4. to believe
  5. to profess faith in
  6. truthful
  7. confidence
  8. trust
  9. at will
  10. at random

classifier: 封