Conjuration, sleight of hand, magic, witchcraft, were the subjects of the evening.

变戏法、掌中诡计、魔术、巫术，这些就当晚的主题。

And it reads like a how-to manual of conjuration.

读上去唤术的学习手册一。

But, if thou wear this form through mere passing conjuration, then resume thy former aspect!

但，如果你只通过短的咒语而穿上这种形态，那么就恢复你以前的！

Brooding over all these matters, the mother felt like one who has evoked a spirit, but, by some irregularity in the process of conjuration, has failed to win the master-word that should control this new and incomprehensible intelligence.

思索着所有这些事情， 母亲觉得自己唤起了一个灵魂，但由于唤过程中的一些不规则， 未能赢得应该控制这个新的、不可理解的智能的主词。