您上周一布置给我们的论文是截止到这周五，但是我非常抱歉，我甚至还没开始写。

The paper which you have assigned to us last Monday was due this Friday, but to my regret, I haven't even started it yet.

youdao

我想，你一定也为你的受害者感到非常抱歉，但是你现在不能够为他们做任何事情了。

I think you must also feel very sorry for the victims, but you can not do anything for them now.

youdao

我非常抱歉，但是我们不能担保产品的质量，除非它们是从我们这被直接买走的。

I'm very sorry, but we don't guarantee the quality of our products unless they were purchased directly from us.

youdao