1. 問難 (wènnàn)

   1. 反復辯難 query and argue again and again;test with difficult questions
      • 質疑問難

問難 (wèn nàn)

1. 辯論詰問。

   • 漢．王充．論衡．問孔：「皋陶陳道帝舜之前，淺略未極。禹問難之，淺言復深，略指復分?！?/li>
   • 南史．卷六十五．陳文帝諸子傳．新安王伯固傳：「頗知玄理，而墯業(yè)無所通；至於擿句問難，往往有奇意?！?/li>