I think English is difficult because of the non-native language.But it can be a good practice both speaking, listening, reading, writing, friendly staff.
I think the difficult English Because of the language, not by birth , but it can be trained to excel in both size and in speaking, listening, reading, writing.
I think English is difficult. Because of the nature of language is not, but it can be trained to better at both of speaking, listening, reading and writing.