the heavens open
US /ðə ˈhɛvənz ˈoʊpən/
UK /ðə ˈhɛvənz ˈoʊpən/

1.
o céu desaba, começa a chover torrencialmente
when it suddenly starts to rain very heavily
:
•
We were just about to start our picnic when suddenly the heavens opened.
Estávamos prestes a começar nosso piquenique quando de repente o céu desabou.
•
I got completely soaked because the heavens opened just as I left the house.
Fiquei completamente encharcado porque o céu desabou assim que saí de casa.