Pinocchio looked at the jug and said neither yes nor no.

皮诺乔看着水罐，既没说是也没说不是。

youdao

Pinocchio gave the jug another look and said neither yes nor no.

皮诺乔又看了水罐一眼，既没说是也没说不是。

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We say, in France, "answering like a Norman," which means to give an evasive answer, neither yes nor no.

在法国，我们说“像诺曼人的回答，”其意思是说不切实地回答，不说是也不说不。

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So yes, you basically get a switch that requires no wiring nor power (except for the receiving end)!

ENGADGET: Mitsumi exhibits micro-vibration power generator and batteryless RF switch (video)