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1·The regime is profoundly divided against itself.

该政权内部彻底分裂了。《牛津词典》

2·If a kingdom is divided against itself, that kingdom cannot stand.

若一国自相分争，那国就站立不住。

3·Any kingdom divided against itself will be ruined, and a house divided against itself will fall.

凡一国自相分争，就成为荒场。凡一家自相分争，就必败落。