C 制动器；闸；刹车 device for reducing the speed of or stopping a car, bicycle, train, etc.

　apply ～s　用〔踩〕刹车
　press on the ～　踩刹车踏板
　put on the ～ suddenly　紧急刹住
　release a ～　放开制动器
　slam on the ～s　把车刹住
　step on the ～s　把车刹住
　take off the ～　开闸
　act as a ～ upon　阻碍，控制
　put a ～ on　停止进行…
　put a ～ on plans for expansion　停止进行扩充计划
　hydraulic ～　液压制动器
　mechanical ～　机械制动器
　foot ～　脚刹车
　hand ～　手刹车
　power ～　动力刹车
　air ～　气闸
　emergency ～　紧急制动器

　My brakes failed.　我的刹车失灵了。
　A driver uses brakes to arrest his car's speed.　司机用刹车降低车速。
　The rise in interest rates acted as a brake on expenditure.　利率的提高产生了抑制消费的作用。

　vt. & vi.刹车 (cause to) slow down or stop

　He braked suddenly.　他突然刹车。
　I braked hard as a dog ran onto the road in front of me.　一只狗跑到汽车前面的路上，我猛踩刹车。
　She braked suddenly to avoid the dog.　为了不撞着那条狗，她突然紧急刹车。
　The driver braked his car.　司机刹住车子。

　［词源］中古英语brekon（破，制动）