锤

锤

"锤" means "hammer."

In this sentence, '锤' refers to a hammer, used as a noun to represent a tool.

他用锤子敲了一下钉子。

He used a hammer to pound a nail.

Here, '锤' is used metaphorically within '锤炼', meaning to refine or hone a skill or ability.

我锤炼了自己的技艺。

I honed my skills.

In this modern usage, '锤了' can mean to refute or criticize harshly, often in informal contexts.

这个建议被他们全盘否决了，真是被锤了。

This suggestion was completely rejected by them; it was truly struck down.