strike gold
US /straɪk ɡoʊld/
UK /straɪk ɡoʊld/

1.
encontrar ouro, ter muito sucesso
to find something very valuable or to be very successful
:
•
The small startup really struck gold with their new app.
A pequena startup realmente encontrou ouro com seu novo aplicativo.
•
He knew he had struck gold when he discovered the rare antique.
Ele sabia que tinha encontrado ouro quando descobriu a rara antiguidade.