Related Clues:

• Question seeking explanation
• Request for elaboration
• 'Care to explain?'
• "In what possible way?"
• ''Explain . . .''
• 'Could you explain?'
• 'In what sense?'
• 'Can you explain that further?'
• 'Why do you think that?'
• “In what way?”
• "Explain, please?"
• "Can you explain?"