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

1.
挖到金子, 大獲成功
to find something very valuable or to be very successful
:
•
The small startup really struck gold with their new app.
這家小型初創公司憑藉他們的新應用真的大獲成功。
•
He knew he had struck gold when he discovered the rare antique.
當他發現那件稀有古董時,他知道自己挖到寶了。