Here's the answer:
“お姉さん”
(onēsan)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 93.51% of the time!
(onēsan)
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 93.51% of the time!