我真不该那样。I shouldn't have done it. *用“shouldn't have+过去分词”表示类似责备或斥责的心情，“不该……”、“要是没……”。Oh, no! I shouldn't have done it. （哦，不！我要是不那样就好了。）What did you do? （你干什么了？）That was a mistake. （那是一个错误。）I blew it. （我失败了。）I wish I hadn't done that.I really screwed up this time. （这次我真的给弄糟了。）I really messed up. （我给搞糟了。）I should have known better. （我早该弄清楚一些。）我要是不说那话就好了。I shouldn't have said that. *用于说了不该说的话时。I shouldn't have said that. （我要是不说那话就好了。）It's too late now. （现在后悔也晚了。）I wish I wouldn't have said that.我早该知道了。I should have known.He's married. （他已经结婚了。）I should have known. （我早该知道了。）I acted like a fool.I should have known better. （我早该弄清楚了。）做那种事，我也太不小心了。It was careless of me to do so. *careless 表示“没注意的”、“漫不经心的”、“粗心大意的”。It was thoughtless of me to do such a thing.It was hasty of me to do so.I was careless. （我太粗心大意了。）我后悔我做的事。I regret doing that.I regret doing that. （我后悔我做的事。）I know what you mean. （我明白你的意思。）I regret my action(s).I repent my action(s).I am sorry for what I have done.我别无选择。I had no choice.Why did you drive my car? （你为什么开我的车？）I had no choice. （我别无他法。）I couldn't help it.I had no other choice.I had no choice in the matter.There was nothing else I couldn't have done.It was my only choice.我做得太过了。I went too far. *比较常用的固定短语。You shouldn't have done that. （你不该那样做。）I know, I went too far. （我知道，我做得太过分了。）I overdid it.我太紧张了。I was too nervous. *也可用来辩解。Did you ask her out? （你约她了吗？）No, I was too nervous. （没有，我太紧张了。）I was too uptight.我要是再用功点就好了。I wish I had studied harder.I regret not studying harder. （我后悔没有更努力学习。）I should have studied harder.我要是问他一下就好了。I should have asked him.I should have asked him. （我要是问他一下就好了。）Why didn't you? （那你为什么不问呢？）I wish I had asked him.It would have been better to have asked him.不留神给忘了。It slipped my mind.Did you remember to tell her? （你没忘了告诉她吧？）Sorry, it slipped my mind. （对不起，我不小心给忘了。）I just forgot.I forgot all about it. （我忘得一干二净。）
verb: to regret; to repent; to rue; to repent of; sorrow[(+at/for/over)]adj: regretful; remorseful; repentantn: regret; remorse; contrition; penitence; sorrow
1、后悔[词典]regret; remorse; repent; 2、[例句]（当时）拒绝您的盛情邀请，深感后悔。Much to my regret, I refused to accept your kind invitation. 3、埃利斯好像后悔问了这个问题。Ellis seemed to be regretting that he had asked the question 4、我并不后悔放弃了婚姻所带来的安全感。I don't regret stepping out of the security of marriage.
小葛先森
