巨擘 Traditional form: 巨擘 Pinyin (reading): jùbò Definitions: thumb authority (knowledgeable person) Characters: 巨 - large, huge, gigantic; chief 擘 - thumb; to rip, to tear; to split, to analyze Traditional characters: 巨 - large, huge, gigantic; chief 擘 - thumb; to rip, to tear; to split, to analyze