隐痛

隱痛
yǐntòng
  1. hidden anguish; secret suffering
  2. (medicine) dull pain

CEDICT

medicine

Entry Composition

1 隐 yǐn (bound form) secret; hidden; concealed; crypto-
2 痛 tòng
  1. ache
  2. pain
  3. sorrow
  4. deeply
  5. thoroughly