Related Clues:

• Quizzical comment
• 'I could've sworn ...'
• "That's strange ... "
• 'That's strange . . .'
• *scratches head*
• 'Strange ...'
• "Weird!"
• ''Strange! Who knew?''
• 'Strange ... '
• "Strange ... "
• “That’s peculiar”
• 'That's weird . . .'
• [Scratches head]