Hello magdalena!Originally Posted by magdalena
Post as often as you like! We all learn from questions. . . even we native speakers, as some questions drive us right back into our own grammar references!
I believe the adjective "elusive" fulfills your need here. When something eludes you, it escapes your understanding as per the American Heritage Dictionary, 2nd college edition, 1991.
So, you could say, "I have been pursuing the seemingly elusive goal of mastering the English language. . ."
How does that work for you?
Sweet Momma Sue