the business end (of something)informalUSE/CONSUME the end of a tool or weapon that does the work or causes the damage 〔工具或武器〕起作用的一端,实用部分 the business end of a gun 枪口
the business end (of something)• the business end of a gun• But it was at the business end where the main difference lay.• Her hair, left to its own devices to dry, looked like the business end of a witch's broom.
→ the business end (of something) at business end(1)