早知今日何必当初

Traditional (Taiwan): 早知今日何必當初

zǎozhījīndāngchū ㄗㄠˇ ㄓ ㄐㄧㄣ ㄖˋ ㄏㄜˊ ㄅㄧˋ ㄉㄤ ㄔㄨ

    • if I (you, she, he...) had known it would come to this, I (you, she, he...) would not have acted thus (idiom)
    • to regret vainly one's past behavior

Character by character

Sources