N-4：none other than 不是别人
A:Tom, who is knocking on the door?
A:汤姆，谁在敲门？
B:I'll get it.
B:我去开门。
A:It's none other than Jimmy. We thought you were in Africa! Can it really be you?
A:是吉米呀！我还以为别人呢。我们一直以为你在非洲，真的是你吗？
B:Jimmy? It's unbelievable.
B:吉米？真让人难以置信。
