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。