Somebody thinks learning English is very hard.Well,firstly,I think you should work hard at it.You should try to have a large vocabulary.If your vocabulary isn't large enough,you can hardly express yourself.Secondly,you should learn some grammar.A good command of grammer can guild you write in a correct way.Thirdly,try to ask others to help you.Well,when you write something in English,show it to your teachers or classmates.They might be able to help you to improve it.Last but not at least,don't be shy.You must overcome your shyness.
If you do these what I have told you,I believe you will improve your English quickly.