Here's the answer:
“你哪儿错了?”
(ní nǎ'r cuò le?)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 92.04% of the time!
(ní nǎ'r cuò le?)
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 92.04% of the time!