crack down on

crack down on的音标是[ˈkræk daʊ n ɔː]。基本翻译是“镇压，打击”。速记技巧是：crack（敲打）+down（向下）+on（在…上） = 打击向下。

crack down on的英文词源为：

1. crack：破裂，裂开

2. down：向下，表示方向或位置

3. on：表示方向或目标

整体含义为“向下打击，严厉打击”。

变化形式：复数形式为crack downs，过去式为cracked down，过去分词为cracked down。

相关单词：

1. crackdown执行打击，压制（行动）

2. cracked damage（物体）破裂的

3. cracked nerves神经紧张

4. cracked ribs肋骨骨折

5. cracked pot烂罐子烂摔

6. crack the whip鞭策，催促

7. crack the whip to do sth.催促做某事

8. crack the whip to get things done加快进度

9. crack the whip to enforce discipline加强纪律

10. crack the whip on sth.对某事采取严厉措施。

常用短语：

1. crack down on corruption

2. crack down on illegal activities

3. crack down on crime

4. crack down on terrorism

5. crack down on drug trafficking

6. crack down on immigration violations

7. crack down on environmental pollution

例句：

1. We must crack down on corruption in our country.

2. The government is cracking down on illegal gambling in the city.

3. The police are cracking down on crime in the neighborhood.

4. The military is cracking down on terrorist activities in the region.

5. The government is cracking down on drug dealers to protect our youth.

6. We must crack down on immigration violations to maintain order in our country.

7. The environmental crackdown has led to a significant reduction in pollution.

英文小作文：

Protecting Our Environment: Cracking Down on Pollution

In recent years, environmental protection has become a hot topic around the world. From local communities to national governments, people are taking action to reduce pollution and protect our planet. One of the key ways to combat pollution is to crack down on those who cause it, such as factories, vehicles, and individuals who litter or burn waste. By imposing strict regulations and fines on polluters, we can help to reduce the amount of pollution in our environment and improve the quality of life for everyone.

However, cracking down on pollution is not just about punishing those who cause it. It is also about educating people about the importance of protecting the environment and encouraging them to take responsibility for their actions. Schools, communities, and governments can play a role in teaching people about environmental issues and encouraging them to adopt sustainable lifestyles that reduce their carbon footprint. By working together, we can create a healthier, safer, and more sustainable future for ourselves and future generations.