nà / duàn / jūn / fá / hùn / zhàn / de / lì / shǐ / gěi / bǎi / xìng / dài / lái / le / shēn / zhòng / kǔ / nàn

那段军阀混战的历史给百姓带来了深重苦难。

That period of warlord fighting brought great suffering to the people.