1、Words cannot describe how sorry I am.
语言无法描述我对你的歉意。

2、My mistake won’t happen again.
是我的错。以后不会再发生类似的事情了。

3、Please accept my sincere apology.
请接受我诚心诚意的道歉。

4、I owe you an apology for what I did last night.
我应该为昨晚的事向你道歉。

5、I really feel bad about it.
我真的感到很内疚。

6、I should have asked you first.
我应该先征得你的同意。

7、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。

8、I’m sorry to have caused you so much inconvenience.
给您造成诸多不便，我很抱歉。