Maybe it's the one who killed Wang Chung-Wei.

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

You can hear this line at 00:58:24 in the DVD version of the movie.

Quote context

[...]

- Hey, tell me, were you ever married? Oh, I get it. Your husband kaput with you and got himself a concubine. So you couldn't stand that, being the second best. And so, you went into a nunnery and had your had cut to forget the whole thing, right?

- Shut up!

- All right, you lost.

- You see, in Kung Fu all tricks are allowed.

- Well, they both wanted your head. I wonder who gave them orders.

- Maybe it's the one who killed Wang Chung-Wei.

- Which one's Kung Shi-Ya?

- Ah... It's him!

- I suppose that you're after the same thing as the monk and the nun.

- That's right. Did you beat them?

[...]