Here's the answer:
“너는 그를 정말 잊어야 해”
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 85.51% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 85.51% of the time!