. For many people it is quite difficult. Esperanto is easier.
I can mention some difficulties, but they are probably not unique.
English has too many words. How to use different words to say the same “. y ielts course.rds”
Plagued with synonyms, homonyms, homophones, homógrafos
The spelling is a nightmare (rough, cough, plough, through hiccough, although it should be)
You have to memorize the emphasis of each word that has more than one syllable (record).
Had faded almost late, so you have to guess. It might be a simple word like “joint”
-an adjective
-a noun
-a way to present
-a past tense form
-a Sou
I have heard that the Spanish has words for “joint”. speak english uk.