成渝 Traditional form: 成渝 Pinyin (reading): Chéng Yú Definitions: Chengdu 成都 and Chongqing 重慶/重庆 Characters: 成 - to accomplish; to become; to complete, to finish; to succeed 渝 - to change; Chongqing Traditional characters: 成 - to accomplish; to become; to complete, to finish; to succeed 渝 - to change; Chongqing