箝位

A clamping device of metal or wood, usually consisting of two jaws closed or opened by a screw or lever, used in carpentry or metalworking to hold a piece in position. 虎钳由金属或木头做成的钳夹工具，通常由两个靠螺旋或标杆进行开合的部件组成，用于木工业或五金业中使物件定位

Our institute is clamping down on those who often play truant. 我们学院正在严加惩处那些经常逃学的学生。

Increasingly alarmed by high-speed pursuits that are killing hundreds of people every year, police departments around the country, as well as state and Federal lawmakers, are clamping down on the wild, Hollywood-style chases ... 每年有数百人死于高速[警匪]追逐，情况越来越令人警惕。全国各地警察单位，各州以及联邦立法机关，正在限制疯狂的好莱坞式的追逐 ... 。