Oh, I really couldn't say, sir.
4 seconds sound clip from the Batman (1966) movie soundboard.
You can hear this line at 00:17:12 in the Blu-ray version of the movie.
Quote context
[...]
- I say, Steward, your face has the most ghastly pallor.
- Are you sure you're getting enough of the good old sea air?
- Oh, my duties keep me mostly undercover, sir.
- Any notion how much longer this yacht will remain here, fogbound off the Grand Banks?
- Oh, I really couldn't say, sir.
- Oh, well. Gives me a jolly good chance to get caught up on my Dickens.
- Still, I would like to get to Gotham City one of these days.
- I have a deuced clever invention with me, you know. Stored down in the hold.
- Should be worth millions of Yankee dollars. Pip, pip!
- Oh! Well, Pip! pip! to you, sir.
[...]