(原创的哦,本人通过英语六级了的）Dear zhangling,
I know you have difficulty in learning English.Therefor I want to give you the following Suggestions.
The first and foremost,you can try to speak more English in life.This can cultivate your language sense.whatis more,you can watch English films and listen to real English songs.This can develop your interest in learning English.At last,you can remember more words.
I think you will ,after doing these,Improve your English level
Yours