追悔莫及

zhuīhuǐmòjí

追悔莫及 — zhuīhuǐmòjí

  1. too late for regrets; it is useless to repent after the event

    事已至此,追悔莫及。 shìyǐzhìcǐ zhuīhuǐmòjí — What has been done cannot be undone; it's too late to regret now.