Related Clues:

• ''Beats me''
• 'I can't get excited about it'
• 'Suppose so'
• Indifferent remark
• 'No clue!'
• Unconfident comment
• "Search me"
• "Haven't the foggiest"
• 'Your guess is as good as mine'
• ''That's tough!''
• "I have no idea"
• 'Heck if I know'
• ''Doesn't matter to me''
• "I'm not impressed"
• ''No idea''