☆I'm afraid I can't.我恐怕不能去。
     ☆Thank you，but I'm afraid I have other plans for that night.谢谢，但是恐怕我那天晚上有别的事。
     ☆I'm sorry.I can't go to the movie with you.很抱歉，我不能跟你去看电影。
     ☆I wish I could，but I'm busy.Maybe another time.我希望我能去，可是我太忙了。要不下一次吧。
     ☆I hate to turn you down，but I must...真不愿意拒绝你，但是我必须......
     ☆I would like/love to any another time，but I've already made plans.以后有机会我很愿意，但这一次我已经有安排了。
     ☆Thanks for asking，but...谢谢你来问我，但是......
     ☆I appreciate your invitation，but I'm afraid I can't.谢谢你的邀请，但是恐怕我不行。
     ☆I'm afraid I can't，but thanks anyway.恐怕不行，但还是谢谢你。
     ☆I'm tied up that day/night.What about another time？那天/晚上我有事儿。改日吧。

     A：We're having a Christmas party at my home next Friday.Do you think you can come？
     B：I'm sorry.I can't come，because our company has a party，too，next Friday.Thank you for asking me.
     A：No problem.Maybe next time.
     A：下周五在我家将有一个圣诞晚餐会，你能来吗？
     B：对不起，我不能去，我们公司下周五也有一个聚会。谢谢你的邀请。
     A：没关系，下次吧。

     A：I'm calling to see if you would like to have lunch tomorrow.
     B：I'm sorry，but this week isn't very convenient for me.
     A：Perhaps we can make it later.
     B：That would be better.
     A：我打电话给您是想知道明天一起吃顿中午饭怎样？
     B：对不起，这个星期我都不方便。
     A：那么，也许改天吧。
     B：好啊。

     A：Are you free next Saturday？
     B：I'm not sure about it.I'll have to check.What for？
     A：We're going to have a picnic in the suburb.
     B：Oh，I'm sorry I've already made plans and it's too late to change it.Why didn't you tell me earlier.
     A：下周六你有空吗？
     B：我不能确定。我看一下。有什么事？
     A：我们准备到郊区去野餐。
     B：噢，对不起，我已有安排了，而且现在改变计划已为时太晚。你怎么不早点告诉我呢？

     A：Hello，Miss Huang.How are you？
     B：Hello，Wang.I'm fine，and you？
     A：I'm doing fine，too.Well，Miss Huang，we are planning to have a casual get-together and I wonder if you and your husband can join us.
     B：That sounds very nice.When will it be？
     A：It's next week from this Monday.
     B：What a pity！We have another party that day.How I wish we could come！
     A：It doesn't matter.Let's wait until next time.
     A：喂，黄小姐，你好吗？
     B：喂，王，我很好.你呢？
     A：我也很好。嗯，黄小姐，我们打算大家小聚一番，不知道您和您丈夫能不能赏光？
     B：听起来真不错，什么时候呢？
     A：下个星期一。
     B：太可惜了！我们那天也有个聚会。真希望我们能去！
     A：没关系。下次还有机会。

     A：Hi.Jill is speaking.
     B：This is Sam.How are things with you，Jill？
     A：I'm very well，but very busy.
     B：But you've finished your exams，haven't you？
     A：Yes，but I've got a lot of things to do.
     B：How about coming out with me this evening？
     A：I'm sorry，I can't.I've promised to meet a friend.
     B：What about the weekend？Are you free then？
     A：No，I'm sorry.I've arranged to go to Paris this weekend.
     B：But I must see you！What about next week some time？
     A：I don't know.I've got so many things to do.
     B：Oh，I see.
     A：I have to hang up now.Someone wants to use the phone.Goodbye.
     A：你好，我是吉尔。
     B：我是萨姆。你一切都好吗，吉尔？
     A：我很好，就是特别忙。
     B：可你已经考完试了，是吗？
     A：是考完了。但我有许多事情要做。
     B：今晚和我出去怎么样？
     A：对不起，不行。我已答应去看一个朋友了。
     B：这个周末怎么样？有空吗？
     A：对不起，不行。我这个周末安排去巴黎。
     B：但是，我一定得见见你。下个星期找个时间行吗？
     A：我说不好，我有许多事儿要做。
     B：那好吧。
     A：我得挂了，别人要用电话，再见！