Here's the answer:
“要多久到？”
(yào duō-jiǔ dào?)
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 92.08% of the time!
(yào duō-jiǔ dào?)
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 92.08% of the time!
