英语好的进来一下,帮忙看一下这些句子错在那里的拉,谢谢了

英语好的进来一下,帮忙看一下这些句子错在那里的拉,谢谢了
请快点走,否则我们会迟到的.
Please hurry to walk or well be late(错)
Please hurry up or well be late.(对)
我遇到了很多困难.
I am having many difficulties.(错)
I am having a few problems / lots of problems.(对)
我在大学里学到了许多知识.
I get a lot of knowledge in the university.(错)
I learned a lot in university.(对)
看到这幅画让我想到了我的童年时代.
The sight of these pictures made me remember my own childhood.(错)
Seeing these pictures reminded me of my own childhood(对)
她脸红了,让我看穿了她的心思.
Her red face made me see through her mind.(错)
Her red face told me what she was thinking.(对)
我读过你的小说但是没料到你这么年轻.I have read your novels but I didnt think you could be so young.(错)
After having read your novel, I expected that you would be older.(对)
他看到她很惊讶.He looked at her and felt surprised.(错)
He looked at her in surprise.(对)
我觉得右手很疼.I feel very painful in my right hand.(错)
My right hand is very painful. Or “ My right hand hurts(aches).”(对)
以上这些是中翻英的一些句子,
实在看不出来那些标有错的句子哪里翻的不对,
是语法有问题么,谢谢了拉,请大虾说一下原因,
为什么一定按照标有对的句子那么翻.
狠狠感谢.
更正一下的拉 应该是 Please hurry to walk or will be late(错)
Please hurry up or will be late.(对)