The mayor had become ineffectual in the struggle to clamp down on drugs.

该市长在打击毒品的斗争中行动不力。

《柯林斯英汉双解大词典》

As the cost to everyone else has become clearer, politicians have begun to clamp down.

由于所有人的损失已变得日益明显，政客们开始采取强硬手段。

youdao

After a few days, the fungus directs theinsect to clamp down on a leaf.

几天后，真菌指引蚂蚁紧紧咬住一片叶子上。

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

Prime Minister Julia Gillard has pledged to clamp down on the "457" temporary work visas.

WSJ: Australia Offers Visa for Millionaires

Chief Executive Bob Greifeld recently called for regulators to clamp down on dark pools.

WSJ: Ban on Flash Orders Is Considered by SEC

He told world leaders there that countries must work together to clamp down on tax avoidance.

BBC: David Cameron wants European Union reformer legacy