I've thought about this for a long time, but I think it's right you know.
7 seconds sound clip from the The Woman Avenger (1980) movie soundboard.
You can hear this line at 01:14:58 in the DVD version of the movie.
Quote context
[...]
- Sister, do you think my kung fu is enough to defeat Quang Fu Chi?
- Also, I had heard he had learned a new secret technique.
- A new technique? What is that?
- That's it, I don't know. I have never been able to get close enough, but I know that he has one.
- Don't worry. Well sister, I believe that I will beat him.
- Buddha will see that we win in the end. A dupper like that can't win.
- I've thought about this for a long time, but I think it's right you know.
- It's the secret Twin style of boxing. I was sworn to secrecy about it.
- You must defeat Quang Wu Chi, so I have to tell you.
- Sister, you don't have to say things to me like that you know.
[...]