/klæmp ||; klæmp/verb[T] 1 clamp A and B (together);clamp A to B to fasten two things together with a clamp 钳住: The metal rods were clamped together. 这几根铁棒给钳在一起。Clamp the wood to the table so that it doesn't move. 把这根木头钳住桌子使它不动。
2 to hold sth very firmly in a particular position 夹紧: Her lips were clamped tightly together. 她紧闭双唇。
3 to fix a metal object to the wheel of a vehicle that has been parked illegally, so that it cannot move 扣锁（违章停放的车辆）: Oh no! My car's been clamped. 啊，糟了！我的车子给扣了。
clamp down on sb/sth(
informal 非正式) to take strong action in order to stop or control sth 取缔；镇压；打击:
The police are clamping down on people who drink and drive. 警方致力取缔酒后驾车。