Apologies 道歉

Sorry.

Sorry, my bad.

I am genuinely/really/so/terribly/very sorry( for what I did)。

Please don't be mad at me.

Please excuse me.

Please forgive me.

Please accept my (sincere/humblest) apologies.

Please don't hold a grudge again me.

It was not my intention to...

It's all my fault.

There is (absolutely) no excuse for my behavior.

I am ashamed of myself.

I am ashamed of what I have done to you.

I am sorry that I was rude to you.

I am sorry to have disappointed you.

I can not say how sorry I am.

I made a foolish/stupid mistake.

I must apologize for the comments I made to yesterday.

I owe you an apology.

I shouldn't have said that.

I take all the blame.

I take full responsibility.

I was wrong.

You must be very disappointed in me.

Receiving an apology 接受道歉

Don't mention it.

Don't worry about it.

No problem.

It happens.

It's all right.

That's OK.

That's not important.

Ungracious acceptances 勉强接受道歉

You should be.

That's not good enough.

Don't do it again.

All right then.