No! I won't let you do this.
7 seconds sound clip from the Duel to the Death movie soundboard.
You can hear this line at 01:08:30 in the Blu-ray version of the movie.
Quote context
[...]
- But they are going to miss those monks. It's a problem. People might suspect us.
- Relax, the Shogun has sent word. We take them to Japan. We move them tonight.
- And Hashimoto, he'll want this duel.
- Leave him to me. They are the Shogun's orders. He won't disobey them.
- You've done well. Your dream will soon come true.
- No! I won't let you do this.
- I'd do anything for you, except betray China.
- Shut up! I know what I am doing. You can't stop me.
[...]