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

3 seconds sound clip from the Horror of Dracula (1958) movie soundboard.

You can hear this line at 00:25:27.746 in the DVD version of the movie.

Quote context

[...]

- I'm not sure.

- Perhaps you remember the name. Doctor Van Helsing.

- I'm not sure. (2)

- Go and prepare a meal for this gentleman. At once. Do you hear me?

- What are you afraid of?

- I don't understand you.

- Why all these garlic flowers? And over the window? And up here? They're not for decoration, are they?

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

- I think you do.

- And I think you know something about my friend. He came here with a purpose, to help you.

- We haven't asked for any help.

- You need it all the same.

- Look, sir, you're a stranger here in Klausenburg.

- Some things are best left alone, such as interfering in things which are beyond our powers.

[...]