And Daniel gets real frustrated because he's trying to learn the language from Methos and he can't figure out the pattern that Methos is using.

Jack: "Are you sure he's using one at all?"

Daniel: "Of course he is! That's how languages work! Unless...hmm. You may be smarter than you look."

Jack: "Hey!"

Daniel wanders off to see if he can confirm the suspicion that Methos is randomly putting words together rather than using a standard and ingrained grammar.