您要查找的是不是：
- I am sorry, I must be leaving now. 对不起，我得走了。
- I must be off I am meeting Brand at six. 我得走了，6点钟我要会见布兰德。
- I am sorry I must disapprove your action. "很抱歉;我必须指责你的行动.;"
- I am sorry, I must dash away now. 对不起，现在我得赶快走开了。
- I am sorry,I must cast a cloud over your happiness,but I have some bad news. 很抱歉，我带来了坏消息，肯定使你很扫兴。
- I am afraid I must be going now. 恐怕现在我得走了。
- I am sorry I do not know when to get off. 对不起，我不知道什么时候下车。
- I am afraid I must be going now. I have a class at ten. 我得走了。我10点有课。
- I am sorry for the mistake. I stand corrected. 抱歉，出了这个错。我愿意纠正。
- I am sorry to have to inflict myself upon you. 很抱歉，我不得不打扰你。
- If I were president I must be given absolute power. 如果我是总统,我必须拥有绝对的权力。
- I am sorry but she's in Osaka on business. 很抱歉，她出差到大阪去了。
- I am sorry, I, I do not realize it is that loud. 对不起，我没想到它会那么响。
- I am sorry for what I said to you. 我後悔不该对你讲那些话。
- I am sorry to hear that your brother passed away. 听到你兄弟去世的消息，我很难过。
- I am sorry for whoever marries her! 无论谁娶她我都会替那个人感到惋惜。
- I am under contract so I must finish the job. 我有合同在先，所以必须完成这项工作。
- I am sorry, sir, you are five kilo overweight. 对不起，先生，您的行李超重5公斤。
- I must admit I am very fond of collect rare book. 我得承认我很喜欢海内珍本。
- I am sorry I will not be able to meet you at the summer palace. 对不起，我不能在颐和园和你会晤。
