They proved up the copper deposit.

他们钻验此铜矿矿床。

I was told it was dangerous, and have now proved it.

我听说那有危险，现在果然证明是真的。

He proved it (to be) true. (=He proved that it was true.)

他证明它是真的。

to prove a will

检定遗嘱。

We will all the pleasures prove.

我们将尝试各种乐事。

The report proves to be true.

此项报告已证实为真。

prove out

成功；如所预期。

The exception proves the rule.

例外能反证规则。