第一：Quite a few dream of becoming famous,perhaps famous sportspeople or singers.
很多人梦想着成名,比如成为著名运动员或歌星.
第二：On the other hand,students dream of very different things：good things,and even crazy things.（另外这里的becoming ,famous,things 如何译好?）劳驾!
另一方面,学生们的梦想就不同了,他们梦想着能遇见好事,甚至是一些疯狂的事情能发生.