Looks like there's no translation device needed as Ted goes in to kiss Greta (Stefanie von Pfetten).
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Phil and Lem present their translation device to the Veridian executives.
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Ted uses a Veridian translation device to put the moves on a beautiful German executive, Greta (Stefanie von Pfetten).
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Better Off Ted Season 2 Episode 10 Quotes

Lem: We don't create evil things.
Ted: Some might see this long-range people-skinning laser as evil-ish.
Phil: Well, that was only designed so you could peel an orange in your kitchen while sitting comfortably in your living room.
Ted: Well, now it's used to peel enemy soldiers overseas while you sit comfortably in the Pentagon.

Ted: And listen. The Germans are all worried because, ironically, they think that Veridian is ruthlessly efficient and bent on world domination.
Phil: Wow. That's like when those Irish auditors thought our accounting department drank too much and wrote overly depressing poetry