Here's the answer:
“あのー、ちょっとすみません”
(anō, chotto suimimasen)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
You could also say:
- あのー、ちょっと
- あのー、すみません
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 89.27% of the time!
