- He didn't know kung fu. He was a Mandarin official.
- Oh, doesn't know kung fu? Hmm, can't be that good then.

7 seconds sound clip from the Mysterious Footworks of Kung Fu movie soundboard.

You can hear this line at 00:33:35.103 in the Blu-ray version of the movie.

Quote context

[...]

- Now, that's enough. Come inside so we can talk. Come in, please.

- Oh, you do have a big house. My first time inside one like this.

- Please, have a seat here.

- Who's this man?

- Oh, that's Lin Sei-Chu. He tried to stamp out opium and drive away the foreign traders. He was a good man.

- Oh, really? He sounds like a good man. Patriot. Where, where is he now? I'd like to fight him. Test out my kung fu.

- He didn't know kung fu. He was a Mandarin official.

- Oh, doesn't know kung fu? Hmm, can't be that good then.

- What's this?

- That's a cuckoo clock from Europe.

- A cuckoo clock. That's amazing. It's so clever. It must've cost a bit.

- If you like it, then you can have it.

- I couldn't take it. It's too kind of you.

- I have another one that's exactly the same as this. Go on, take it.

- No.

- Go on, it's yours.

[...]