- But why didn't you write to me?
- Sorry, but I really was so terribly busy.

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

You can hear this line at 00:38:55.580 in the DVD version of the movie.

Quote context

[...]

- Young people are always having fights. It's inevitable.

- The Chinese have a saying, A good father-in-law should be dumb and blind.

- You may not know this, but Koda has left her husband now.

- What was that?

- She won't go back.

- But she must, though. I'll make Ho Tao apologize.

- Too late. Koda won't go back there.

- What's that? She's in Japan, then?

- Yes. Come on.

- But why didn't you write to me?

- Sorry, but I really was so terribly busy.

- Who's this man?

- An unhappy marriage can be painful.

- Daughter?

- Dad.

- We can work this out. Why'd you leave home? Does Ho Tao know?

- He doesn't.

[...]