Look, it's terribly sweet of you to want to help out, but it's no use.
6 seconds sound clip from the Some Like It Hot movie soundboard.
You can hear this line at 01:24:13 in the DVD version of the movie.
Quote context
[...]
- I'm afraid not. Terribly sorry.
- Would you like some more champagne?
- How do you dim these lights?
- Look, it's terribly sweet of you to want to help out, but it's no use.
- I think the light switch is over there.
- That's the radio. It's like taking someone to a concert when he's tone deaf.
- You're not giving yourself a chance. Don't fight it. Relax.
- It's like smoking without inhaling.
- Daphne.
- Hmm?
- Sorry.
[...]