Forma suave de exprimir dúvida.
A mild way to express doubt.
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See how the word “não tenho a certeza disso” is used in sentences
Não tenho a certeza disso, deixa-me confirmar. — Not sure about that, let me check.
Não tenho a certeza dessa cor. — I'm not sure about that colour.
Não tenho a certeza disso — parece arriscado. — Not sure about that — it sounds risky.
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