Here's the answer:
“이것은 당신의 수준에 안 맞아요”
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 89.71% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 89.71% of the time!
