Here's the answer:
“어떻게 해서 당신의 코가 부러졌어요?”
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 85.71% of the time!
Fun fact: the hundreds of thousands of people learning Korean with Memrise get this phrase correct 85.71% of the time!