ninefold d九倍
ninefold cathodic classic九阴真经
Ninefold Processed Rhubarb Pill九制大黄丸
ninefold anodic power九阳神功
ninefold future life九品往生
to increase one's income ninefold使收入增加九倍
ADJ（形容词） equal to or having nine times as many or as much 九倍的
ADV（副词） by or up to nine times as many or as much 多至九倍的