He used another rock as a hammer to hit the gold-colored lump.

他用另一块石头当锤子去击打那个金色的凸块。

youdao

I remembered the Sunday after I had gotten him the rock-hammer. I remember watching him walk across the exercise yard, his face puffy from his latest go-round with the sisters.

我还记得在我帮他弄到石锤后，星期天的时候，我看着他走过运动场，因为和姊妹的冲突而鼻青眼肿的。

youdao

Red slips the rock-hammer, wrapped in a towel, through the bars and onto the cart. Next comes six cigarettes to pay for postage.

瑞德把裹在毛巾里的石锤通过栅栏塞进小车，并递出六根烟作为运送的酬劳。

youdao

He was then hit over the back of his head with a heavy object - possibly a rock or a hammer - and fell to the ground.

BBC: Rugby fan's warning after mugging

Its first action was just to hammer down briefly on a rock target last weekend - a simple check to prove the machinery was behaving as it should.

BBC: Curiosity Mars rover takes historic drill sample

Scientists need to be sure that when the big hammer tool turns in a rock it breaks the surface into a useable powder that will not clog or damage the sample handling mechanism.

BBC: Curiosity Mars rover deploys its rock brush