I'm in the middle of ....我正忙着
　　用法透视
　　这里的”in the middle of..."表示正在做某事的过程中。
　　支持范例
　　1.I'm just in the middle of coordinating the press conference.
　　我正忙着协调安排记者招待会。
　　2.I was in the middle of making a pie for dinner when the telephone rang.
　　我正忙着做正餐吃的馅饼，这时电话响了。
　　3.They were in the middle of a party when the parents came back suddenly.
　　父母返回时，他们正在开晚会。
　　会话记忆
　　A:Marry ,Mr Johnson wants these documents to be copied.
　　玛丽，约翰先生需要这些文件的复印件。
　　B:Oh,no.You see I'm in the middle of something .Could he wait?
　　噢，不。你看我正忙着呢。他能不能等会儿？
　　A:I'm afraid...
　　我恐怕...　　
　　B:All right ,all right .He'll get them as soon as possible.
　　好吧，好吧。我尽快让他拿到复印件。