无端端 Traditional form: 無端端 Pinyin (reading): wúduānduān Definitions: for no reason Characters: 无 - no, not; lacking, -less 端 - end, extreme; head; beginning 端 - end, extreme; head; beginning Traditional characters: 無 - no, not; lacking, -less 端 - end, extreme; head; beginning 端 - end, extreme; head; beginning