That technique is to cope with people who run.

4 seconds sound clip from the Heroes of the East (1978) movie soundboard.

You can hear this line at 00:19:01.038 in the DVD version of the movie.

Quote context

[...]

- Master, look.

- Not bad.

(Koda swinging two Sai)

- That's called Sai.

- This is the Yari. Hey, don't run.

(Japanese girl laughing)

- That technique is to cope with people who run.

- That's enough.

- Last one.

- Hey!

- What's the problem? Just let her practice.

- It's not so easy, you know?

- What, she fights you?

- No, but she practices Karate. And we've got no place for that.

- Hey, you have. You've that big gymnasium.

- She's real stubborn. Probably wouldn't want to use a Chinese gymnasium.

- Master! Master, trouble! The mistress has taken all her weapons to your gymnasium.

[...]