放ㄈㄤˋ下ㄒㄧㄚˋ屠ㄊㄨˊ刀ㄉㄠfàngxià‑túdāo，立ㄌㄧˋ地ㄉㄧˋ成ㄔㄥˊ佛ㄈㄛˊlìdì‑chéngfó

  1. 〈諺〉比喻只要真心悔改向善，就能變為好人。只要你現在懸崖勒馬，一切都還可以挽救。例 「放下屠刀，立地成佛」。

英lay down butcher's knife, become a Buddha on the spot (idiom)​; instant rehabilitation, to repent and be absolved of one's crimes