夙敌 Traditional form: 夙敵 Pinyin (reading): sùdí Definitions: old foe long-standing enemy Characters: 夙 - dawn, early in the morning; previous; long-held 敌 - enemy, foe, rival; to match; to resist Traditional characters: 夙 - dawn, early in the morning; previous; long-held 敵 - enemy, foe, rival; to match; to resist