He was driven to the brink of madness.

他被逼到了疯狂的边缘。

《柯林斯英汉双解大词典》

However, as the night elves' racial obsession with the forces of magic drove them to the brink of madness, the gentle pandaren decided to sever their ties and leave the night elves behind forever.

然而当暗夜精灵全族对魔法力量的沉溺使其趋于疯狂的边缘时，温和的熊猫人决定断绝和暗夜精灵的联系并永远离开了他们。

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