The two Aussies just stare at him.
"Excusez-moi, parlez vous Francais?" he tries.
The two continue to stare.
"Hablan ustedes Espanol?"
The Swiss guy drives off, extremely disgusted. The first Aussie turns to the second and says, "Y'know, maybe we should learn a foreign language."
"Why?" says the other. "That guy knew four languages, and it didn't do him any good."