I don't know what you're talking about.

2 seconds sound clip from the Criss Cross (1949) movie soundboard.

You can hear this line at 00:30:40.722 in the DVD version of the movie.

Quote context

[...]

- 'I didn't mean to do anything wrong.' Half the time, you don't know what you're doing. Trouble is, you always know what you want.

- If you're gonna get nasty...

- Working these days?

- I get jobs. Department stores, selling.

- What'd you want? I mean, why did you call me up?

- Do you have to ask?

- I don't know what you're talking about.

- I made the first move, Steve. You don't have to be proud.

- What's being proud got to do with it?

- Do you think I like meeting you like this?

- Don't you think I know what went on in your mother's mind when she heard my voice on the phone?

[...]