第1个回答 2009-08-31
This year I've learnt a lot of stuff, stuff that I couldn't possibly learn during my four years of university.
第2个回答 2009-08-31
During this year, I've learned many things, of which I couldn't learn in the four-year college life.
第3个回答 2009-08-31
This year I've learnt a lot of things which I couldn't have learnt during my four years in college.
第4个回答 2009-08-31
during this year, I've learned a lot,which I can't acquire in 4-year university study
第5个回答 2009-09-01
I have learned much what cannot be learned in university.
我觉得四年好像没必要翻译了