Here's the answer:
“그들은 중국에서 팔 년을 살았어요”
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 94.47% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 94.47% of the time!