You've guessed it correctly.
2 seconds sound clip from the The Shaolin Heroes (1980) movie soundboard.
You can hear this line at 01:23:00.767 in the Blu-ray version of the movie.
Quote context
[...]
- Don't you worry. You're both dead.
- Get up.
- You're right, it's her. She was really helping the Mongolian.
- I see. She posed as a waiter. She was a spy.
- Right.
- You've guessed it correctly.
- Money means nothing to us. We would rather give our lives than be traitors.
- The Mongolians will never rule here. Never.
[...]