Here's the answer:
“我肚子疼”
(wǒ dùzi téng)
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 98.04% of the time!
(wǒ dùzi téng)
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 98.04% of the time!
