ㄓㄨㄟㄏㄨㄟˇㄇㄛˋㄐㄧˊzhuīhuǐ‑mòjí

  1. 後悔來不及 少不更事今日追悔莫及」。

too late for regrets (idiom)​; It is useless to repent after the event.