He hit the nail squarely on the head with the hammer.

他用锤子正对着钉子敲下去。

《牛津词典》

Hammer and nail?

锤子与钉子？

youdao

After all, if all one has is a hammer, then every problem looks like a nail.

不管怎样，如果所有人都有一把锤子，那么每个问题看起来都不过像一颗钉子而已。

youdao

There's a famous saying, "If you're good with a hammer, everything looks like a nail."

正像一句名言说的那样，如果你很会用锤子，那么一切看上去都是钉子“

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That led to the analogy, the hammer and nail.

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"It's like using a hammer built for the nail you're trying to drive, instead of a shovel or a hoe, " he says.

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Creating "risk-assessment tools" is the kind of thing all bureaucracies excel at: It's the proverbial nail for the guy with the hammer.

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