C1 Expression Formal

Não há que enganar-se.

There's no mistaking it.

Significado

Expresses certainty about something, leaving no room for doubt.

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Contexto cultural

In Portugal, this phrase is often used with a sense of 'unquestionable authority'. When a local tells you 'não há que enganar', they are putting their reputation as a guide on the line. Brazilians value 'descomplicação' (uncomplicating things). The variation 'Não tem erro' is a verbal hug, reassuring the listener that everything is under control. In Luanda, formal Portuguese structures are often used in business to show respect and education. 'Não há que enganar-se' is common in professional contracts and meetings. Mozambican Portuguese often blends high-register European structures with local rhythm. You might hear this in news broadcasts or educational radio programs.

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The 'Se' Drop

If you want to sound more like a local in Lisbon, drop the '-se'. 'Não há que enganar' is the 80/20 version of this phrase.

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Brazilian Context

Using 'Haver' instead of 'Ter' in Brazil for this phrase will immediately mark you as a foreigner or someone being very formal.

Significado

Expresses certainty about something, leaving no room for doubt.

🎯

The 'Se' Drop

If you want to sound more like a local in Lisbon, drop the '-se'. 'Não há que enganar' is the 80/20 version of this phrase.

⚠️

Brazilian Context

Using 'Haver' instead of 'Ter' in Brazil for this phrase will immediately mark you as a foreigner or someone being very formal.

💬

Confidence is Key

This phrase is a 'confidence marker'. Use it when you want to end a debate or provide absolute reassurance.

Ponte a prueba

Complete the sentence with the correct form of the expression.

Siga sempre pela avenida principal até ver o monumento; depois disso, não ___ que ___.

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: a

The standard formal idiom uses 'há' (from haver) and the reflexive infinitive 'enganar-se'.

Which sentence is the most natural for a casual conversation in Brazil?

How would a Brazilian say 'You can't go wrong'?

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: b

'Não tem erro' is the ubiquitous informal Brazilian equivalent.

Match the context to the most appropriate use of the phrase.

Context: A scientist presenting a proven theory.

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: a

The formal structure 'Não há que enganar-se' is perfect for academic or scientific certainty.

Complete the dialogue naturally.

A: 'É difícil montar este armário?' B: 'Não, as peças são numeradas. ___.'

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: a

'Não há que enganar-se' fits perfectly as a reassurance that the task is foolproof.

🎉 Puntuación: /4

Ayudas visuales

PT-PT vs PT-BR Certainty

Portugal (Formal)
Não há que enganar-se Standard
Brazil (Informal)
Não tem erro Standard

Banco de ejercicios

4 ejercicios
Complete the sentence with the correct form of the expression. Fill Blank B2

Siga sempre pela avenida principal até ver o monumento; depois disso, não ___ que ___.

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: a

The standard formal idiom uses 'há' (from haver) and the reflexive infinitive 'enganar-se'.

Which sentence is the most natural for a casual conversation in Brazil? Choose B1

How would a Brazilian say 'You can't go wrong'?

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: b

'Não tem erro' is the ubiquitous informal Brazilian equivalent.

Match the context to the most appropriate use of the phrase. situation_matching C1

Context: A scientist presenting a proven theory.

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: a

The formal structure 'Não há que enganar-se' is perfect for academic or scientific certainty.

Complete the dialogue naturally. dialogue_completion B2

A: 'É difícil montar este armário?' B: 'Não, as peças são numeradas. ___.'

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: a

'Não há que enganar-se' fits perfectly as a reassurance that the task is foolproof.

🎉 Puntuación: /4

Preguntas frecuentes

10 preguntas

Yes, especially in Brazil. In Portugal, it sounds slightly less traditional but is understood.

Not at all. It is helpful and reassuring. However, if used with a condescending tone, it can imply the other person is slow to understand.

'Enganar' is to deceive someone else. 'Enganar-se' is to make a mistake or deceive yourself.

It's better for paths, logic, or instructions. Using it for people ('Não há que enganar-se sobre ele') is possible but very strong.

Yes, to describe a clear strategy or a foolproof plan.

It is very common in both, but the shortened 'Não há que enganar' is more common in speech.

'Não há que enganar-se' is the most accurate idiomatic translation.

Yes: 'Não havia que enganar-se' (There was no mistaking it).

In Brazil, 'É batata!' is a very old-fashioned slang for 'it's a sure thing', but 'Não tem erro' is the modern standard.

Only if you are 100% sure of someone's feelings, e.g., 'Não há que enganar-se, ele adora-te'.

Frases relacionadas

🔄

Não tem erro

synonym

It's foolproof (Brazilian)

🔗

Sem dúvida

similar

Without a doubt

🔗

É canja

similar

It's a piece of cake

🔗

Ir por água abaixo

contrast

To go down the drain

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