Here's the answer:
“说来话长”
(shuō lái huà cháng)
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 90.43% of the time!
(shuō lái huà cháng)
Fun fact: the hundreds of thousands of people learning Chinese with Memrise get this phrase correct 90.43% of the time!