I beg your pardon.（英译中)

I promise to return your bicycle on good condition.（英译中)

May I borrow your pen？（英译中)

If I have offended you, I ask your pardon.（英译中)

I will never forget your kindness.（英译中)

May I bring my chair next to yours？（英译中)

I grant that your explanation is reasonable.（英译中)