I can't tell you, otherwise, you'll only get hurt.
3 seconds sound clip from the Mysterious Footworks of Kung Fu movie soundboard.
You can hear this line at 00:54:05.633 in the Blu-ray version of the movie.
Quote context
[...]
- Then he said he saw no point killing you, and, anyway, you were no match for him.
- Right!
- Nonsense! That guy died a long time ago. You must be lying!
- Why should we? You have to admit, it's a strange thing to say to people.
- We mention it because we don't want you to be made a fool of, do we?
- I can't tell you, otherwise, you'll only get hurt.
- You must tell me! Who is he, talk, tell me now!
- Young man, you can't fight him.
[...]