Related Clues:

• ''Good question!''
• "I have no idea"
• 'Heck if I know'
• ''No idea''
• 'No idea!'
• ''I've no idea''
• ''I dunno''
• ''Dunno''
• Shrugger's remark
• I can't fathom this Athenian attitude to Cyprus
• 'No idea whatsoever'
• "I can't figure this out"
• ''I give up''
• 'I have no clue'
• 'You got me'