悔不当初 meaning in Chinese

regret having done sth.; regret a previous mistake 短语和例子

If i 'd known then what was going to happen , i would n't have done as i did .
早知今日，悔不当初。
If the drug industry waits for congressional hearings, and then new laws with tough restrictions, they will wish they'd acted first on their own .
如果医药工业界等着国会举行听证会，然而通过包括严格限制措施在内的新法令，那时候他们就该悔不当初了。
Regrets , why ? - brilliant , that ' s it , all dead
悔不当初，苍天啊！ -多聪明，就这么回事，全体见上帝！
Regrets training video on integrity for financial services practitioners cantonese , putonghua and english
悔不当初金融服务业道德培训影片广东话普通话及英语
All i mean , she said from her entrenchment , is that i doubt if you ll find it s been worth it , either of you
“总之，我的意思是，她在汽车里面说， “我诚恐你们两个都要觉得悔不当初！ ”