不正当 bùzhèngdàng improper Origin Definitions Defs Strokes Stroke Words Sentences Sents 不正当关系 bùzhèngdàngguānxì illicit affair improper or illicit relationship不正当竞争 bùzhèngdàngjìngzhēng unfair competition Competitive business practices that are deceptive, fraudulent, or otherwise injurious to other businesses or consumers.