Here's the answer:
“打”
(dǎ)
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 89.84% of the time!
(dǎ)
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 89.84% of the time!
