I beg your pardon! 请你原谅!

Pardon me! 原谅我吧!

My apologies! 我道歉!

Excuse me! 不好意思!

I deeply regret this! 对此我非常后悔!

I feel so miserable! 我感觉糟透了!

I have to seek an apology from you! 我必须找你道歉!

Forgive me! 原谅我吧!