Wèi / le / bǎo / wèi / guó / jiā / tā / duō / nián / nán / zhēng / běi / tǎo / cóng / wèi / tuì / suō

为了保卫国家，他多年南征北讨，从未退缩。

To defend his country, he fought on many fronts for years and never backed down.