twenty-six. I'm sorry to…

26.很抱歉……

I'm sorry to bother you a second time.

很抱歉我又打扰你了。

I am sorry to have misunderstood you.

很抱歉我误会你了。

I am sorry to tell you that you failed in the exam.

很遗憾地告诉你你没有通过考试。

I'm sorry to have broken your glass.

很抱歉我打破了你的杯子。