☉ 党同伐异 【dǎnɡtónɡfáyì】
　　[ defend those who being to one's own faction and attak those who don't unite only with those of the same ideas and attack the others ] 拉帮结派，偏袒同党，攻击异己。
　　● 原指学术上的派别之间的斗争，后泛指一切集团之间的斗争。
　　例： 党同伐异，此姘彼丑。——周邦彦《汴都赋》