Oh, god, he's got her excited. "Whoa, um- slow down- we- no... know..." -and she probably doesn't know 'know', it's a homophone with 'no', and...

"Uh... we no go Kweengow. Can't. School study Pyay and Song, school study mweelsrow, school study tlaa, school study... how go Kweengow."

("Do any of those words mean anything?" asks Liu.

"...No, speaking total gibberish, actually. Bad habit."

"You know what I mean."

"Just telling her she can't go home yet, unless you can figure out how.)