be sorry about

I am sorry that he should be so half-hearted about the important work.

我很遗憾,他对这项重要工作竟这样敷衍塞责.

One can only be sorry about all this.

这一切只好说遗憾了。

You still don't know what you should be sorry about.

你还是不知道你在为什么而道歉。

Raphael: Sorry to be a buzzkill, but this gravy train we've been on is about to end.

拉斐尔：我知道这有些令人扫兴，但我们现在的这份好差事即将到头了。

You will be sorry about this later.

对这件事你以后会后悔的.

About an hour into the drive my boyfriend pulled over, he then told me that he was sorry, but a lot of things had happened that he hadn't told me, because he was afraid that I would be scared to death.

走了大约一个小时后，我男朋友在路边停了车。然后，他告诉我之前发生的很多的他从来没有跟我说过的事，他对此感到很抱歉。之所以没告诉我的是因为他怕会吓坏我。

( of a person) doing things in this way I am sorry that he should be so half-hearted about the important work.

（指人）做事敷衍塞责的.我很遗憾，他对这项重要工作竟这样敷衍塞责。