汉英词典
Chinese-English Dictionary
MEANING OF 悔不当初
悔不当初 (悔不當初)
to regret one's past deeds (idiom)
悔 regret / 当初 At first / Regret for not taking another action at the time
悔后悔;当初开头,起初◇悔不在当初采取另一种行动。
huǐ bù/bú () dāng/dàng chū
EXAMPLE SENTENCES

怨天尤人,诅咒命运,悔不当初……

You can swear, curse the fates, regret everything you ever did…

然而这种“悔不当初”的心境却会有损健康。

But holding on to "what might have been" can actually be detrimental to your health.

第一个报告名为“阿尔贝•加缪,真理的经典之作?” ,十分钟内我就悔不当初,没有学好法语。

About ten minutes into the first presentation, "Albert Camus, une ecriture de la Verité, " I realized I should've hit my French language textbooks instead.