ㄖㄣˊㄧㄤˇㄇㄚˇㄈㄢrényǎng‑mǎfān

人仰马翻
  1. 翻滾在地慘敗狼狽模樣用以形容極度混亂秩序 為了週末活動大家人仰馬翻」。

to suffer a crushing defeat (idiom)​, in a pitiful state, in a complete mess, to roll (with laughter)​