隐痛 Traditional form: 隱痛 Pinyin (reading): yǐntòng Definitions: hidden anguish; secret suffering (medicine) dull pain Characters: 隐 - to hide, to conceal; secret, hidden 痛 - ache, pain; bitterness, sorrow; deeply, thoroughly Traditional characters: 隱 - to hide, to conceal; secret, hidden 痛 - ache, pain; bitterness, sorrow; deeply, thoroughly