Here's the answer:
“만일 내가 우주비행사였다면 나는 우주에 갈 수 있었을 거예요”
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 88.73% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 88.73% of the time!
