It's raining cats and dogs

US /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/
UK /ɪts ˌreɪnɪŋ ˌkæts ənd ˈdɔɡz/
"It's raining cats and dogs" picture
1.

chover canivetes, chover a cântaros

raining very heavily

:
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.