I watched a couple of cops put a clamp on a green Mercedes.

我看到几个警察给一辆绿色奔驰车加上丹佛锁扣。

《柯林斯英汉双解大词典》

Blades without clips are held by screws and the clamp on the handle.

失去金属夹的刀片由螺丝和手柄上的夹子固定。

youdao

My neck felt as if someone had put a clamp on it.

我的脖子感觉好像被人放了一个夹子那么难受。

youdao

The peace dialogue had lowered tensions between the rivals, but has flagged amid repeated Indian accusations that Pakistan is not doing enough to clamp down on terror groups operating from the country.

VOA: standard.2009.10.28

Ten states are moving on their own to clamp on down on vehicle emissions of greenhouse gases.

NPR: States Push Automakers on Fuel Efficiency

The U.S. in recent months has put increased pressure on Pakistan to clamp down on insurgent groups, especially the Taliban-affiliated Haqqani network.

WSJ: Attacks Point to New Afghan Conflict

The Ministry of Justice also announced new measures on Tuesday to clamp down on criminals hiding their assets to qualify for legal aid under the "Crown Court means-testing scheme".

BBC: Legal aid: Criminal case cuts planned