悠然逸轩
I'm sincerely sorry for...I am terribly sorry for...I am sorry, really.I am really sorry that...I apologize for ...
小蝴蝶飞不过
I （do）apologize sincerely to all of you .我向你们真诚的道歉。（那个do可要可不要，主要起强调作用，表示自己真的很心诚）下面的也行哈。Please accept my sincere apology to all of you。请接收我向你们真诚的道歉。 I have a sincere apology to all of you.
