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In Brazilian Portuguese, frio na barriga is a natural way to express “butterflies in my stomach”: nervousness, excitement, or both while anticipating something. It is an idiomatic equivalent, not a word-for-word translation.
Does “frio na barriga” mean “butterflies in my stomach”?
Yes. A 2011 Brazilian Portuguese cross-cultural adaptation study selected frio na barriga as an equivalent for the English idiom. It rejected the literal rendering borboletas no estômago (“butterflies in the stomach”) as not idiomatic in Brazilian Portuguese. The study’s translation discussion supports translating the idea rather than copying the image.
What feeling does it describe?
The phrase describes a bodily sense of anticipation that may be nervous, uneasy, excited, or a mix. The situation tells you which shade is meant: someone may feel it before a championship game, a major presentation, a job interview, or meeting new people. Contextual examples show the phrase used in these kinds of situations, though they are illustrations rather than a controlled study of usage. See contextual English translations of “frio na barriga.”
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How should you translate it?
Use “butterflies in my stomach” when the English sentence calls for that familiar idiom. Depending on tone and context, “nervous anticipation” or “a flutter of nerves” may fit better. “A knot in my stomach” can convey unease, but it is not interchangeable in every sentence because it often emphasizes anxiety more than excitement.
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For example, a person feeling frio na barriga before an interview might have “butterflies in their stomach” or feel “nervous anticipation.” Before an exciting performance, “butterflies” may preserve both the nerves and the positive expectation.
Is the literal Portuguese “borboletas no estômago” correct?
It is a literal translation, but the cited Brazilian Portuguese adaptation study found it non-idiomatic for this meaning and chose frio na barriga instead. For natural Brazilian Portuguese, use the idiom rather than translating “butterflies” word by word.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Does this apply to all Portuguese-speaking regions?
The clearest evidence here is specifically about Brazilian Portuguese. It does not establish that frio na barriga is the standard equivalent in every Portuguese-speaking region.
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