- How's your kung fu coming along?
- Pretty good, watch.

4 seconds sound clip from the Of Cooks And Kung Fu (1979) movie soundboard.

You can hear this line at 00:12:25 in the Blu-ray version of the movie.

Quote context

[...]

- Remove the covers.

- Now what's wrong?

- It's burned.

- Fancy meeting you. I didn't expect to meet you.

- Listen, how did you manage to get out?

- I'm smart that's how. It was pretty easy.

- Oh your grandpa let you out?

- Grandpa was sleeping so I escaped.

- How's your kung fu coming along?

- Pretty good, watch.

- What's that style?

- That's flying sharks fin soup.

- Oh, that's the name of some food.

- Right, it's cooking kung fu. It's the best style.

- Oh that's stupid, it's silly. I've been training too... Swaying kung fu.

- And this movements called the backside technique.

[...]