"英语说得过瘾" means "to speak Engpsh fluently and enjoyably." In Engpsh, you could say "Is my Engpsh fluent enough?" or "Do I speak Engpsh fluently enough?" to ask if you are able to speak Engpsh with ease and enjoyment. You could also say "I really enjoy speaking Engpsh" to express that you find speaking Engpsh enjoyable.