Yuánjūn yí dào, díjūn fēnfēn pīmǐ, diūxià wǔqì táozǒu le.
As soon as the reinforcements arrived, the enemy broke and scattered, dropping their weapons as they fled.
Tips
usage
Mostly in 所向披靡 'everything gives way before one', invincible, and 望风披靡 'to break and run at the first sight of the enemy'. 靡 is read mǐ here, as in 风靡 'to sweep the country (of a fashion)'; the mí reading means 'wasteful', as in 奢靡.