what can he mean?

what can he mean? What can he mean?中的mean为什么不用三单加S? what's mean,who can help me I can understand what you ____.(mean) what's mean,who can help me. what does he mean为什么不能说what is he mean Can you tell me what do 'CAN" and 'CDN' mean? What can he What he didn't mean ___you ,he meant ___you. MEAN WHAT IS MEAN what mean? Can anybody tell me what does do mean?