Here's the answer:
“大喜びします”
(oo yorokobi shimasu)
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 96.57% of the time!
(oo yorokobi shimasu)
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 96.57% of the time!
