A fighter must have a strong waist. He must stand well, or he can't fight. Now back!
5 seconds sound clip from the Crippled Kung Fu Boxer movie soundboard.
You can hear this line at 00:31:16.355 in the DVD version of the movie.
Quote context
[...]
- Teacher, if you keep on at me, I'm gonna crack up, you're gonna kill me.
- Hmm, whoever told you kung fu was easy. Get up. Try your hardest to make me fall down.
- Step back, step back, step back, hold step. Close step. Turn around. One leg aloft.
- A fighter must have a strong waist. He must stand well, or he can't fight. Now back!
- Why can't you move properly?
- My poor bones, they're all broken!
- Didn't you say that you'd work hard?
- Teacher! Teacher! Wait, Teacher!
- Teacher, you've got a stick, you're being unfair.
- Again!
[...]