望风披靡（望風披靡）　

◎ 望风披靡 wàngfēng-pīmǐ

[flee pell-mell at the mere sight of the oncoming force;flee helter-skelter at the mere sight] 比喻在强大势力面前纷纷倒下,也比喻军无斗志,看到敌人气势强盛不战而溃