- You threw eggs. What for?
- Secret weapon.
- Weapon? Right.

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

You can hear this line at 00:26:20.599 in the DVD version of the movie.

Quote context

[...]

- Chinese, this side. Japanese, this.

- Come and sit here!

- Come and kneel here.

- A fighter should never kneel.

- Well, it's a custom... with us.

- With us, criminals in prisons have to kneel when they eat.

(Japanese girl laughing) (2)

- Now you look like a criminal eating.

- You threw eggs. What for?

- Secret weapon.

- Weapon? Right.

- Now then, you sit down, like me.

- Oh, wait, no, no.

- That's no secret weapon.

- Your food's here. Come and eat.

- Go and eat, huh?

- Pass the food to madam.

- Yeah. Come on.

- No! I don't want it. Go away.

- Well, go on.

[...]