- It's been a long time since we've danced together.
- Yes, a long time.
- I'd forgotten what a wonderful dancer you were.

8 seconds sound clip from the Harvey (1950) movie soundboard.

You can hear this line at 01:10:34.647 in the Blu-ray version of the movie.

Quote context

[...]

- Maybe we better go someplace else. Miss Kelly seems to be a little unhappy.

- No, let's stay here. Kelly's all right.

- Perhaps you'd like to dance, Miss Kelly.

- All right, Mr. Dowd, if you'd like to.

- Oh, not I. No. I used to dance. I haven't danced in years.

- I'm sure Dr. Sanderson would love to dance with somebody as lovely as you. Hmm?

- Would you, Miss Kelly?

- All right.

- There we are.

- It's been a long time since we've danced together.

- Yes, a long time.

- I'd forgotten what a wonderful dancer you were.

- If we didn't have to humor Mr. Dowd, you wouldn't have remembered at all.

- I'm not dancing with you to humor Mr. Dowd, Ruth.

- We shouldn't have left him alone!

- Where are you going, Mr. Dowd?

[...]