Student or Learner
How do you describe someone doesn't make any effort to study?
Are there common phrases (not as long as "doesn't make any effort to study ") or adjectives (such as the antonym of studious which is commonly used by the public) to use?
"unscholarly" is what I have in mind, but it fails to convey the idea of lack of effort. I find "studious" rather uncommon. "Lazy" unmistakeably would be my first pick.