I apologize to you for what I have done.
apologize to sb for sth
I apologize for being late.
I apologize for my rudness.
I apologize to her.
Why should I apologize?
A:Julia,I apologize to you for what I have done.Please forgive me.
B:I've already forgiven you.Actually,I also owe you an apology.I was so rude to you that day.
A:It doesn't matter.I know that people are so easy to get mad when they're tired.
B:Thanks for your understanding.