莫非mòfēi〈副词adv.〉表示揣测或反问,常跟‘不成’呼应{[indicating guessing or questioning, oft. in response to ‘not’] can it be that; is it possible that}: 他将信将疑地说,～我听错了?{He said with doubt, ‘Did I get it wrong?’}|今天她没来,～又生了病不成?{She is absent today. Can she be ill again?}