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。)