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Explanation: C'è qualcosa di strano qui. Chiedi in Italiano, e vuoi tradurre dal Portoghese all'Inglese?
My answer above is the literal translation of what you asked into Italian. Doesn't seem to make much sense, unless it's some malfunctioning element (the stubborn switch?). Otherwise, I'd agree that it could be a mistranslation (into Portuguese) of "toggle switch", as suggested by M.L.
Maybe, if you offered more context... or asked in either source or destination languages, you'd get more (and better) help.