推荐回答（2个）
我觉得在《秦时明月》中卫庄的鲨齿是这样得来的：在秦时明月中，鲨齿剑是流沙主人卫庄的佩剑。它被称为“名剑克星”，被排除在风胡子的剑谱之外，因为它太凶猛和暴力，不能被视为恶魔之剑。鲨齿剑，被称为剑，但是具有独特的齿形结构，可以像牙齿一样夹住对手的剑来压制对手。此剑是玄机娘娘原创，温老先生的原著中并没有。
鲨齿剑在流沙人手中，但它是墨家建造的。说到这里，真奇怪，徐夫子家族铸造的名剑竟然都配得上。徐夫子是当今墨家的领袖之一，也是著名的剑客。徐夫子锻造了水寒，徐夫子的父亲锻造了鲨齿剑，徐夫子的母亲锻造了渊虹叔叔的前身——残红。
其中，鲨齿剑和残留的彩虹是徐夫子的父母因为比赛中的争吵而伪造的。因此，与恋人干将莫邪打造的同心双剑搭配使用，效果更佳。鲨齿剑和残虹(可以被认为是渊虹)从他们被释放的那一刻起就注定了彼此相爱，彼此杀戮的命运。剑是这样的，都是因为铸剑的人，也是因为使用剑的人！《秦时明月》中有无数著名的剑。有太多著名的剑，那些不包括在剑谱中的，还有那些名字仍然未知的。只有少量的剑解释了它们的主人为什么得到它们。大多数都不清楚。也不知道为什么鲨齿在卫庄手里。因此，我们只能通过打开一个大脑洞来猜测。
师父所赠。在可视为《秦时明月》前传的《天行九歌》中，当时鲨齿已经是年轻卫庄的宝剑。这时，卫庄被鬼谷子送去韩国，盖聂被鬼谷子送去强国秦国。年轻的盖聂的剑也是一把好剑。虽然剧中没有解释，但我觉得他师兄的剑和鲨齿可能都是鬼谷子送给兄弟们的礼物。
从《天行九歌》中，我们知道卫庄可能是郑氏皇族的后裔。从卫庄的整体风格来看，他是如此的霸道和强大，以至于他和他的祖先郑庄公非常相似，后者对周朝非常生气。这把鲨齿剑很可能是郑氏皇族中喜欢名剑的人高价买下的，也可能是卫庄的父亲。后来，郑被汉毁了，这把鲨齿剑成了他自己的遗物，落入了卫庄的手中。所以我觉得在《秦时明月》中卫庄的鲨齿是这样得来的。
盖聂的渊虹剑是徐夫子的母亲造的，卫庄的鲨齿是徐夫子的父亲造的.卫庄与盖聂本来就是对手，渊虹剑与鲨齿剑也是敌对的两把剑.剑与剑客一样，也有自己的命运
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