Don't emphasize it, say it lightly: I know it, Sir. Again.
7 seconds sound clip from the A King in New York (1957) movie soundboard.
You can hear this line at 00:54:38 in the Blu-ray version of the movie.
Quote context
[...]
- You're right, it's insinuating. It might get a laugh. Cut that last line.
- From your line please, King.
- Thank you, Melrose. Royal Crown Whiskey I always enjoy. (2)
- Don't emphasize it, say it lightly: I know it, Sir. Again.
- Thank you, Melrose. Royal Crown Whiskey I always enjoy. (3)
- Cut it out entirely. Just nod.
[...]