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

1.
fare centro, avere successo
to find something very valuable or to be very successful
:
•
The small startup really struck gold with their new app.
La piccola startup ha davvero fatto centro con la loro nuova app.
•
He knew he had struck gold when he discovered the rare antique.
Sapeva di aver fatto centro quando scoprì l'antico raro.