I don't believe I can't beat Pai Mei's kung fu.
4 seconds sound clip from the Executioners From Shaolin (1977) movie soundboard.
You can hear this line at 01:03:19 in the DVD version of the movie.
Quote context
[...]
- Yes, I know. It troubles you.
- But with Pai Mei alive, we can't make much progress at all.
- Yes, I know. Pai Mei's kung fu...
- These last years, I've practiced hard. I know all of his weak points.
- I don't believe I can't beat Pai Mei's kung fu.
- If only you'd learn some Crane style!
- Don't mention that! We've never learned each other's style. That's always the way we've done it.
- Yes, I know. If you can, kill him. If you can't, then run. Is that right? Well, any other advice?
- Nothing.
- Don't worry. I'll leave tomorrow. Should be back in ten days.
[...]