Related Clues:

• "Under wraps" is one
• Hard-to-translate phrase
• ''One for the books,'' for one
• Translating challenge
• Linguistic quirk
• Go for broke, e.g.
• Local speech pattern, to outsiders
• Language lesson
• ''Under the weather,'' for instance
• Evidence that one is an alien
• Screw the pooch, e.g.
• Local language, say
• Colloquial phrase
• 'Knock it off' or 'get it on,' e.g.
• "On the fence," for example