黨同伐異（黨同伐異）　

◎ 黨同伐異 dǎngtóng-fáyì

[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] 拉幫結(jié)派,偏袒同黨,攻擊異己

原指學(xué)術(shù)上的派別之間的斗爭,后泛指一切集團(tuán)之間的斗爭

黨同伐異,此姘彼丑?！馨顝躲甓假x》