No, you're mistaken, I swear.
3 seconds sound clip from the Shaolin Kung Fu Master (1978) movie soundboard.
You can hear this line at 00:23:07 in the DVD version of the movie.
Quote context
[...]
- Then, why not come on the bed with me?
- What's the matter? You've been drinking?
- How dare you screw around with my wife? I'll smash you!
- No, you're mistaken, I swear.
- No, wait! If you try to do anything like that, then I'll...
- If you want to go that far, I'm warning you! Then, I will escape!
[...]