We use the verb " to hammer out" when we want to get rid of what we call a " dent" in a piece of metal.

我们用动词“敲”来去除金属上所谓的“凹痕”。

When you need to get rid of that dent, that damage, to straighten out the metal or to change its shape, you have to " hammer out" the dent.

当你需要修复凹痕，修复，金属变直或改变形状时， 你需要“敲” 凹痕。

“Drive, drive in your nails, oh ye waves! to their uttermost heads drive them in! ye but strike a thing without a lid; and no coffin and no hearse can be mine: —and hemp only can kill me! Ha! ha! ”

“钉吧，钉你们的钉子吧，你们这些大浪！一直把钉头敲为止！你们只不过在敲打一件没有盖子的东西；棺材和灵车都和我无关——只有麻绳才能杀得了我！哈！哈！”