ㄌㄧˋㄉㄧˋㄔㄥˊchéngㄈㄛˊ

  1. 一個只要破除業障當下成佛衍生改惡向善生命獲得新意五燈會元··東山禪師》:正是殺人不眨眼屠刀立地成佛。」聊齋志異··羅祖》:今世檀越聖賢欲望成佛遍告立地成佛放下刀子。』」罪不容誅罪大惡極罪孽深重罪該萬死罪惡昭著惡貫滿盈

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