Sister, Mr. Chow is sick. He was taking herbs.
6 seconds sound clip from the The Invincible Armour movie soundboard.
You can hear this line at 00:35:33 in the DVD version of the movie.
Quote context
[...]
- You fight well, too. That technique, it's Iron Armor.
- Now wait, why not stay here for a few days? I'm scared these men will come back again.
- Sister, Mr. Chow is sick. He was taking herbs.
- Oh, Mr. Chow, if you'd like to stay here, we'd be delighted to have you.
- Tell me who your Grandfather is and I'll stay.
- Uh-but you'll keep it a secret?
[...]