hit pay dirt

They hit pay dirt on the fourth day.

第四天，他们就发现了苗头。

The author believe if he write a good book he will finally hit pay dirt.

这位作者相信，如果他写一本好书，他终会找到财源。

We hit pay dirt with your profile.

你的模拟画像给了我们有用的发现。

John has hit pay dirt with his carpet cleaning business.

约翰在他（营）地毯清洁业务中赚了大钱。

The company drilled 45 new wells last year and hit pay dirt on nearly two-thirds of them.

埃克森美孚去年新打了45口钻井，其中近2/3都有斩获。

After years of experimentation they finally hit pay dirt.

他们经过数年的试验,终于成功了.

The author believes if he writes a good book he will finally hit pay dirt.

这位作者相信,如果他写一本好书,他终会找到财源.

Jack Ma hit pay dirt when his Chinese business-to-business Stavt-up, Alibaba.com, went public, in November, 2007.

中国首家企业与企业间电子商务公司阿里巴巴网络有限公司于2007年11月挂牌上市，其创办者马云终获成功。

LL: To hit pay dirt means that you found something that turned out to be profitable or beneficial.

To hit pay dirt就是发现了很有好处的东西。所以你刚才的意思是我的建议非常有用。