- Say, Rose, I hope you won't misunderstand what I'm going to say.
- Yes?

5 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.

You can hear this line at 00:25:20.310 in the DVD version of the movie.

Quote context

[...]

- Well, did you want to discuss anything in particular?

- What?

- I said, was there anything special you wanted to ask me?

- I can't hear you, Rose.

- That's funny. I can hear you plainly.

- Isn't this great? Here I am in New York, and there you are in St. Louis and it's just like you're in the next room.

- What was that?

- I said it's just like you're in the next room!

- Say, Rose, I hope you won't misunderstand what I'm going to say.

- Yes?

- I don't think you better mention this call to anyone.

- Why not?

- Because there'd be h to pay if my family ever found out I called long-distance.

- What did you say?

- He said there'd be...

- H to pay if my family ever found out I called long-distance!

- That's strange. My family are all home, and they don't think anything of it.

[...]