无钢圈 Traditional form: 無鋼圈 Pinyin (reading): wúgāngquān Definitions: wireless (bra) Characters: 无 - no, not; lacking, -less 钢 - steel; hard, strong, tough 圈 - circle, ring, loop; to encircle Traditional characters: 無 - no, not; lacking, -less 鋼 - steel; hard, strong, tough 圈 - circle, ring, loop; to encircle