幽怨 Traditional form: 幽怨 Pinyin (reading): yōuyuàn Definitions: hidden bitterness; secret grudge Characters: 幽 - quiet, secluded, tranquil; dark 怨 - to blame, to complain, to hate; enmity, resentment Traditional characters: 幽 - quiet, secluded, tranquil; dark 怨 - to blame, to complain, to hate; enmity, resentment