Well, if that's what you want. You're gonna regret this. That I promise you.

7 seconds sound clip from the 18 Jade Arhats (1978) movie soundboard.

You can hear this line at 00:33:29 in the DVD version of the movie.

Quote context

[...]

- I'm the unbeaten one! Why are you laughing?

- Well, it seems you lost a game, so you're not unbeaten. Well, isn't that true?

- Let me tell you, I'm more entitled to be called 'The Unbeaten'.

- Shut up! You're not! I am.

- Well, it seems to me we can't have two people claiming that title. So let's have a contest. That way, we can soon settle it.

- Well, if that's what you want. You're gonna regret this. That I promise you.

- Sorry.

- Please don't go yet.

- Well, miss, your Kung Fu is good.

- Thank you.

[...]