Often characters in games will understand more languages than their players do. Particularly things like Elvish, or goblin, or Klingon.

...

Actually, it's probably a better than even chance that some of your players do understand some Elvish or Klingon.

So much for this annotation, then.

Transcript

{Greedo makes to leave the cantina, but is intercepted by a green-skinned alien holding a gun}
Han Solo: {the green alien} Oota goota, Solo?
Greedo: Scusi, mia no speak space-Italiano.
Han Solo: <sigh> I said: The name's Solo, Han Solo. Captain of the Millennium Falcon.
Greedo: Why-a da gun?
Han Solo: Rough place, can't be too careful.
Han Solo: Wookiee at the bar says you need a ship.
Greedo: Si, indeed. If it'sa fast ship.
Han Solo: Fast ship? You've never heard of the Millennium Falcon?
Greedo: Should-a I have?
Han Solo: It did the Kessel run in less than three standard days. That's twelve parsecs, kiddo.
Han Solo: I've outrun Imperial starships. Not the local bulk-cruisers, mind you. I'm talking about the big Corellian ships now. She's fast enough for you, sonny. What's the cargo?
Greedo: Just-a passengers. Mia, da Wookiee, an old hermit, a boy, two-a droids, anda no questions, capisce?
Han Solo: Sounds like you folks are in some sort of trouble.
Greedo: Una more question. Canna you pretend I'ma da captain and you-a da cabin boy?
Han Solo: Out of the question.