Usages of avisar
Um anúncio no aeroporto avisou que poderia haver atraso na bagagem.
An announcement at the airport warned that there could be a delay with the luggage.
Avisa o vizinho antes de chover.
Warn the neighbour before it rains.
Quando estou de mau humor, aviso os meus amigos para não discutirmos por nada.
When I am in a bad mood, I warn my friends so that we don’t argue over nothing.
Alguns especialistas avisam que o vírus pode mudar, ainda que a vacina continue a funcionar.
Some specialists warn that the virus may change, even though the vaccine continues to work.
A maré sobe depressa naquele trilho costeiro, por isso a guia avisa o grupo para voltar cedo.
The tide rises quickly on that coastal trail, so the guide warns the group to return early.
Test yourself: What does avisar mean?
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