Jarok, Worf and others in “Unfinished Business”

How do you allow Klingon peta'Q to walk around in a Starfleet uniform?

Worf

You are lucky this is not a Klingon ship. We know how to deal with spies.

Remove this tohzah from my sight!

Riker

Your knowledge of Klingon curses is impressive. But, as a Romulan might say, only a veruul would use such language in public.