很抱歉的英文：
l'm so sorry

参考例句：

I apologize.
我很抱歉

I am sorry I overlooked your letter.
忽视了你的信，很抱歉。

I'm sorry, Mr. Ye is off today.
抱歉!叶先生今天休假。

Excuse me, but I think you are so cute!
很抱歉，不过你真是太可爱了。

Sorry, I'm (really/so/terribly) sorry.
对不起。我感到(实在∕很∕非常)抱歉。

I'm sorry, but I'm in a meeting now. Could I call you back?
抱歉!我现在正在开会。我再回电给你好吗?

We regret to inform you that Filght BA 9372 is fully Booked, and there are at present no cancellations.
很抱歉，BA9372航班已经客满，目前没有退票。

We therefore regret we are unable to entertain any liability in the matter.
因此，我们对此事实在无法负任何责任，甚为抱歉。

In later life Kepler seemed rather apologetic about his ability as an astrologer
开普勒在后半生似乎将才能用于占星而颇为抱歉。

I'm awfully sorry about it. I assure you it won't happen again.
对这事我很抱歉，我向你保证这种事不会再发生了。

sorry是什么意思：
adj. 难过，同情；歉疚，惭愧；后悔，遗憾；悲惨的，可怜的；很遗憾
int. 对不起，抱歉；请再说一遍；不对，应该是

They are a sorry lot.
他们是一批糟糕的家伙。

Get back in there, or you'll be sorry.
滚回那边去，否则你会后悔的。

Sorry I'm late!
对不起我迟到了！

It is better to be safe than sorry
事后追悔不如事前稳妥

She is a sorry sight.
她的样子看上去糟透了。