I was forced to recruit the 18 bronze girls and train them using a special style which became known as the bronze girl Kung Fu.

8 seconds sound clip from the 18 Bronze Girls of Shaolin (1983) movie soundboard.

You can hear this line at 01:03:53.596 in the DVD version of the movie.

Quote context

[...]

(Chinese girl kung fu fighting) (2)

- Now where do you run to?

- Hold it!

- Gentlemen, that is not Chi Kung himself. He is merely one of Chi Kung's agents. It's hardly worth killing him.

- Then... where's Chi Kung now?

- Well, Chi Kung himself is on his way to the secret hall.to steal the bronze girls' training manual.

- This temple fell into the hands of the Qing... and they were ruthless.

- I was forced to recruit the 18 bronze girls and train them using a special style which became known as the bronze girl Kung Fu.

- The technique is described in that training manual which Chi Kung has gone after today.

- Come on. Let's go and stop him.

- Now wait. Chi Kung has been impotent since childhood. He grew up bearing a grudge against the world.

- The man is evil. He uses his Kung Fu to kill.

[...]