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Portuguese sentence

How to say “I do not know.” in Portuguese

The Portuguese for “I do not know.”, with audio, grammar notes and the words that go with it.

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I do not know.

Eu não sei.

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  • Portuguese

    Eu não sei.

    I do not know.

Tap the speaker, then say it back. Audio uses your device’s own Portuguese voice and appears when it has one.

Portuguese words and phrases that go with it

Where this fits

“I do not know.” is one of the everyday sentences in the 4ToSpeak Portuguese guides. Browse every Portuguese word and phrase A–Z or work through the common words in order.

FAQ

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How do you say “I do not know.” in Portuguese?

“I do not know.” in Portuguese is “Eu não sei.”.

What does “Eu não sei.” mean in English?

“Eu não sei.” is Portuguese for “I do not know.”.

How do I remember “Eu não sei.”?

Say it out loud in a sentence, not on its own. Hear it, say it, then use it in a full Portuguese sentence. That is how every 4ToSpeak lesson works.

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Use “Eu não sei.” in a sentence

Words stick when you say them in full Portuguese sentences. Practise it out loud, free.