nuts and bolts

n. 具体细节

例句与用法：

He can drive a car but he doesn't know anything about the nuts and bolts of the engine.

他会开汽车，但他对汽车发动机的结构一窍不通。

First learn the nuts and bolts of cooking; then you can try your own ideas.

先要学会烹饪的基本功，然后你可以自己动脑子找窍门。

These nuts and bolts hold the wheels on.

这些螺帽和螺栓把轮子固定住了。

词形变化：

形容词: nuts-and-bolts |

详细释义：

ph.

基本要素; 具体细节

He doesn't know the nuts and bolts of our accounting system.

他一点也不了解我们会计系统的基本细节。

You have to study the nuts and bolts of English grammar.

你必须研读英文语法的基本细节。

You can't propose lofty goals without specifying the nuts and bolts of how they are to be achieved.

你不能只提议高远的目标而不明确指出如何达成的具体细节。