It's raining cats and dogs
US /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/
UK /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/

1.
chover canivetes, chover a cântaros
raining very heavily
:
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I can't go out now, it's raining cats and dogs!
Não posso sair agora, está chovendo canivetes!
•
We had to cancel the picnic because it was raining cats and dogs.
Tivemos que cancelar o piquenique porque estava chovendo canivetes.