饮恨吞声 yǐn hèn tūn shēng

DEFINITIONS

  1. to harbor a grudge with deep-seated hatred (idiom)

CHARACTERS

饮 yǐn drink; swallow; kind of drink
恨 hèn hatred, dislike; resent, hate
吞 tūn swallow; absorb, annex, engulf
声 shēng sound, voice, noise; tone; music