rain cats and dogs

US /reɪn kæts ænd dɔɡz/
UK /reɪn kæts ænd dɔɡz/
"rain cats and dogs" picture
1.

piovere a catinelle, piovere a dirotto

to rain very heavily

:
I can't go out now, it's raining cats and dogs!
Non posso uscire ora, sta piovendo a catinelle!
We had to cancel the picnic because it started to rain cats and dogs.
Abbiamo dovuto annullare il picnic perché ha iniziato a piovere a catinelle.