I am no demon, honorable master Li.

我不是什么魔鬼，可敬的李大人。

youdao

There remains, however, something that I cannot doubt: no demon, however cunning, could deceive me if I did not exist.

不过总还有某样事我怀疑不得；假使我当真不存在，任何恶魔，不管多么狡猾，也无法欺骗我。

youdao

Crucially, though, the demon need pump no energy into the rotor, only information about the position of the rotor, which it USES to switch the field.

至关重要的是妖魔并没有把能量提供给转子，只是用了转子自己位置的信息，它被用来切换电场。

youdao

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