落荒而逃

形容吃了败仗慌张逃跑。

元·无名氏《马陵道》第三折：“你自慢慢的从大路上行，我便落慌而走。”

偏正式；作谓语；含贬义

[be defeated and flee the battlefield;take to flight; be a fugitive from justice] 战败逃出战场