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,后泛指一切集團之間的斗hAo86.com爭黨同伐異,此姘彼丑。