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

变戏法、掌中、术、巫术，这些就当晚的主题。

She struck the bark and cut into it, but the conjuration vanished.

她敲击树皮并将其割开, 但咒语却消失了。

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

读上去像召唤术的学习手册一样。

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

但，如果你过短暂的咒语而穿上这种形态，那么就恢复你以前的样子吧！