v.  夹紧，固定

v.  锁扣 (违章停放的车辆)

n.  夹子，夹具，夹钳

n. 〔锁住违法停放车辆的〕夹钳，车轮固定夹 ≈ boot

• clamp sanctions/restrictions on sb  对某人实行制裁/制约等

• clamp down  取缔；压制；钳制；镇压

• Creed opened his mouth to speak, then clamped it shut. 克里德张口欲言，忽又闭口不说了。

• Clamp the two parts together until the glue dries. 用夹钳把这两部分夹紧，直到胶水干透。

• He returned, only to discover his car had been clamped. 他回来了，不料发现自己的汽车被上了夹钳。

• The police are clamping down on drink-driving offenders. 警方正在严厉打击酒后驾车者。

BrE /əˌbriːviˈeɪʃn/   

NAmE /əˌbriːviˈeɪʃn/