"Can you explain?"

• "In what way?"
• "In what possible way?"
• "Care to elaborate?"
• "Could you explain?"
• Question from the curious
• ''In what way?''
• "Care to explain?"
• In what way?
• "Can you explain that further?"

Wiktionary Word definitions in Wiktionary
adv. 1 however#Conjunction, in whatever manner. 2 However, to whatever extent.