pay dirt

• n. 含金矿土(珍贵的发现；有利可图的东西)

英英释义

Noun:

1. ore that yields a substantial profit to the miner

2. a profitable success;

   "the inventor worked for years before hitting pay dirt"
   

词汇搭配

• strike pay dirt 成功(发现财源)...
• hit pay dirt 发现矿藏,找到富矿...