- Yeah? What's the morning line?
- 3 to 1.

2 seconds sound clip from the All Through the Night (1942) movie soundboard.

You can hear this line at 00:03:09.958 in the Blu-ray version of the movie.

Quote context

[...]

- Serious business? This is serious business!

- Don't you think it's time you got your mind out of the sports section and onto the front page?

- I can't be bothered. That's Washington's racket. Let them handle it.

- Now, will the ambassador from Belmont park kindly give me a report on the racing situation?

- I clocked sweet dream this morning at 1:40.

- Yeah? What's the morning line?

- 3 to 1.

- 5 grand on the schnoz.

- Caught kid O'Brien's workout this morning.

- How's his left?

- Like a machine gun.

- 10 grand he wins in 3 rounds.

- 10 grand on O'Brien?

- What's the matter with O'Brien?

- Nothing. I like him. I also like my mother, but she can't fight, either.

[...]