magic是不可数名词。
magic:n.魔法;法术;巫术;戏法;魔术;
adj.有魔力的;(施)巫术的;有神奇力量的
I wish I could wave a magic wand and make everything all right again.
真希望我能魔杖一挥使一切又都好起来。
Trust is the magic ingredient in our relationship.
信任是维系我们相互关系的神奇力量。
A passage was cleared through the crowd like magic.
好像有一股神奇的力量在人群中间开出了一条通道。