I can read and write english just fine but if i try to talk i would say many words wrong because i am not used to it, and unlike my own language the writing does not tell me accuratley how to pronounce it. Side effect of it beeing many languages in a trench coat. (Also there are words used in my language originating from different languages too. They are difficult to pronounce if you dont know which language they are from, but usually you know a french word, for example, if you see it) Does not mean english is hard to learn just that it is easy to spot not native speakers. Example also: Kiaras funny way she says iron or biome.
Also they way they pronounce some words with greek ar latin origin is just plain wrong.