Lì / shǐ / shàng / yǒu / xiē / zhèng / quán / yīn / tóng / shì / cāo / gē / ér / xùn / sù / shuāi / luò

历史上有些政权因同室操戈而迅速衰落。

Some regimes in history declined rapidly because of internal strife.