Achilles' heel, Pedro. This is meaning his, uh... weaknesses.
7 seconds sound clip from the Lady and the Tramp (1955) movie soundboard.
You can hear this line at 00:58:00 in the Blu-ray version of the movie.
Quote context
[...]
- Now there's a bloke what never gets caught.
- He's given the slip to every dogcatcher in this burg.
- I can quite easily believe that.
- Ah, but remember, my friends, even Tramp has his Achilles' heel.
- Pardon me, amigo. What is this chilli heel?
- Achilles' heel, Pedro. This is meaning his, uh... weaknesses.
- He has an eye for a well-turned paw, he has.
- Let's see. There's been Lulu.
- And my sister, Rosita Chiquita Juanita Chihuahua. I think.
- Yeah. Tell us about it, Peg.
[...]