早知今日,悔不當初  / zǎo zhī jīn rì, huǐ bù dāng chū /
It is too late to ever say, "If only I had known." 
Category:
Expression 用語
References:
《HB Glossary 中英人間佛教詞彙》, 2018 
高雄市大樹區興田里興田路 153 號
886-7-6561921 #2501-2506