成县 Traditional form: 成縣 Pinyin (reading): Chéng Xiàn Definitions: Cheng County or Chengxian, a county in Longnan City 隴南市/陇南市 ( Lǒngnán Shì), Gansu Characters: 成 - to accomplish; to become; to complete, to finish; to succeed 县 - county, district, subdivision Traditional characters: 成 - to accomplish; to become; to complete, to finish; to succeed 縣 - county, district, subdivision