You must go to Japan now and apologize to her. I warn you, if you don't, you may lose her for all time!

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

You can hear this line at 00:41:12.260 in the DVD version of the movie.

Quote context

[...]

- Those two have been friends for many years. Very good friends. Right from their childhood.

- You'd better go back right now.

- I think you're right. I'll return at once.

- Dad... you're back.

- Your wife's in Japan. Why don't you go and get her?

- Is she? Who cares?

- Damn it! Koda is your wife!

- Is she?

- You must go to Japan now and apologize to her. I warn you, if you don't, you may lose her for all time!

- She has a good friend there. His name's Sanzu. Her martial arts teacher.

- Well, I don't care.

- You... Hold it! Did you hear what I said?

- All right. Forget it. Forget. Just leave it 'til tomorrow.

- Brother, forget it.

[...]