Okay, better stop.

4 seconds sound clip from the King Boxer: Fingers of Death movie soundboard.

You can hear this line at 00:05:16 in the Blu-ray version of the movie.

Quote context

[...]

- Just think what a match it would be, if you two had to compete. That would be something.

- If that happened, I'd be at your mercy.

- Not at all. You could teach me a lot.

- You two haven't fought each other for ages. Why don't you have a little match? Dad, what do you think?

- All right. Later. I'd be interested to see how you're getting on.

- Okay, better stop.

- Uh, Ta-ming had three years of training, with Suen Hsin-Pei. It's made a big difference.

- We came out even just now.

- But even so. There's no doubt about it.

- I'm certainly no match for Suen Hsin-pei.

[...]