I so want to reply to your post, but I am going to wait a bit to let others respond.  Zosime's going to be like "I know those words, but that sentence makes no sense" with the latin.

Everyone: do we have an agreed-upon standard method of crossing language barriers?  The mental translation thing seems like a straigtforward mechanism.  What about people who speak all languages?  Do we want to agree that all languages are translated, or maybe just the first one spoken?