Forgive me, I didn't mean to offend you.

请原谅，我不是有意惹您生气。

I can't tell you how sorry I am.

我真的很抱歉。

I didn't mean it that way.

事情闹成这样并非我的本意。

I don't know how that could have happened.

我不知道怎么会发生那样的事情。

I hope you will excuse me.

希望你能原谅我。

Words can't describe how sorry I am.

语言无法描述我对你的歉意。

My mistake. It won't happen again.

是我的错。以后不会再发生类似的事情了。

Please accept my sincere apology.

请接受我诚心诚意的道歉。

I owe you an apology for what I did last night.

我应该为昨晚的事向你道歉。

It's all my fault. I'll try to make it up to you.

这事儿全怪我，我会尽力补救。