1.From the bottom of my heart 发自内心的 

A:Amanda,I'm so sorry about what happened. I sincerely apologize from the bottom  of my heart. 

B:That's Okay. It wasn't your fault.   

A:阿曼达,我对发生的事情感到很抱歉,我发自内心的向你道歉。   

B:没事,不是你的错。  

2.I'd like to take this opportunity to 我想借这个机会 

A: I'd like to take this opportunity to thank you for everything you did for us. 

B: It's my pleasure. I enjoyed working with you guys.   

A:我想借这个机会感谢你为我们所做的一切。   

B:不用客气,我喜欢与你们共事。   

3.I am sorry 对不起   

A: I'm sorry to be late.   

B: Be careful next time.   

A:对不起我迟到了。   

B:下次注意。 

4.I apologize 我道歉 

A: I apologize. This should not have to be this way.   

B: Apology accepted. Try to do better next time.   

A:我道歉,事情不该发展成这样。   

B:(我)接受(你的)道歉,下次干好点。   

5.I feel terribly sorry. 我觉得很抱歉。  

A: I feel terribly sorry. We caused a lot of trouble for you. 

B: I never thought your hotel is like this. We will never come back again.   

A:我觉得很抱歉,我们给你带来很多麻烦。   

B:真想不到你们旅馆竟然是这样子的,我们再也不会来了。