- In fact, washing clothes can also help improve your kung fu.
- Kung fu? Master, this?

9 seconds sound clip from the Dragon on Shaolin Tower movie soundboard.

You can hear this line at 00:27:59.367 in the Blu-ray version of the movie.

Quote context

[...]

- Put you on laundering fatigues for a whole month.

- Master, it was my fault.

- I also know Shao Ping spent some time with you.

- Master, she and Hosan gave me a hand with the clothes.

- Oh? Hmm, well that's not bad.

- In fact, washing clothes can also help improve your kung fu.

- Kung fu? Master, this?

- What I'm getting at, is washing clothes strengthens your hands and your feet.

- My hands and feet?

- Oh, Master! Master.

- Your step isn't right. There's no strength in it!

- Teach me how to do it.

- All right.

- You tried for a long time, but you've never been able to get anywhere! How dare you still come here!

[...]