Huh? What do you know? You haven't met him, have you?
7 seconds sound clip from the Duel to the Death movie soundboard.
You can hear this line at 00:28:43 in the Blu-ray version of the movie.
Quote context
[...]
- Come on, man. Hurry up, old man. We want to see it.
- Hold your horses. I am nearly finished!
- That doesn't look a bit like him. You got it all wrong.
- Huh? What do you know? You haven't met him, have you?
- It's a spitting image. Look at the beard and those eyes. It's perfect.
- Don't listen to him. The Lord of The Sword himself asked me to paint this picture.
- Hey, you think that this guy Hashimoto would have any chance against the Lord of The Sword?
- Oh, yes, definitely. He is Japan's best fighter. He'll be as tough as nails.
[...]