That’s just an expression.

1. 말이 그렇다는 거죠.
That’s just an expression.

2. 그런 말이 아니었어요.
That’s not what I meant.

3. 관심이 내게 쏠려 민망했습니다.
I felt embarrassed by all the attention.

4. 어떻게 말씀 드려야 할지 모르겠지만 우리 그냥 친구로 지내죠.  
I don’t know how to tell you this, but we could just be friends.

5. 말하기는 좀 난처하지만, 저 사귀는 사람 있어요.
It’s awkward to say, but I’m seeing someone.  

6. 아무것도 아닙니다.
No, no It’s nothing.

7. 한번 생각해 보세요.
How about giving it a thought?

8. 생각할 시간을 좀 주세요.
Would you give me more time to think about it?

9. 질문이 민망할 정도로 사적이네요.
The question is embarrassingly personal.

10. 다른 사람하고 헷갈리신 것 같네요.
You must have mixed me up with someone else.

11. 사과합니다.
I apologize.
My apologies.
You have my sincere apology.
Please accept my apology.
I offer my most sincere apology. 

12. 정말 죄송합니다.
You cannot believe how sorry I am.
Words cannot describe how sorry I am.

13. 영수증을 보내시면 제가 처리하겠습니다.
Please send me the bill, and I’ll take care of it.

14. 제 잘못입니다.
It’s my fault.
It’s all my fault.
I’m fully responsible.
I take full responsibility.
I take the blame./ My mistake.

15. 그렇게 해서는 안되었는데.
I shouldn’t have said that. / I shouldn’t have done that.  

16. 그럴 의도는 아니었습니다.
I didn’t mean it.
I honestly didn’t mean it.
I didn’t mean it, honest.
I didn’t mean to do that./ I didn’t mean it that way.
I didn’t intend it that way.