the business end
noun /ðə ˈbɪznəs end/
/ðə ˈbɪznəs end/
[singular]- (also the pointy end)(informal) the end of a tool or weapon that performs its main function
（工具或武器）行使主要功能的一端，使用的一头 - You don't want to find yourself on the business end of a machete.
你不想发现自己在弯刀的生意端。
- You don't want to find yourself on the business end of a machete.
- the essential or basic part of a process or an operation
（工具或武器）行使主要功能的一端，使用的一头 - The rigs are the business end of the oil industry.
钻塔是石油工业不可或缺的部分。
- The rigs are the business end of the oil industry.