第1个回答 2014-11-04
You must do what you don't think you can do
第2个回答 2014-11-04
You must do the things which you think impossible
第3个回答 2014-11-04
You must do the things what you think is impossable
第4个回答 2014-11-04
You have to do the thing that you guess you couldn't do.