It's the job of the police to enforce the law.

警察的工作就是执法。

《牛津词典》

The police are there to enforce the law.

警察在那里执行法律。

youdao

We will strictly enforce the law and exercise strict supervision.

尤其要严格执法和监管。

youdao

They were willing to risk their lives to enforce the law or to commit a crime.

VOA: special.2010.03.10

The main inconvenience is that everyone can enforce the law of nature.

主要的一点就是每个人都能行使自然法。

耶鲁公开课 - 公正课程节选

In resistance to the Fugitive Slave Act the state of Wisconsin enacted a Personal Liberty Law that said they were not going to enforce the Fugitive Slave Act and turn in fugitive slaves, and the justification was that it was their state's right to do so.

为了抵制逃亡奴隶法,威斯康辛州政府颁布了个人自由法,规定他们不会执行,逃亡奴隶法并交出逃奴,理由是,该怎么做是他们州的权利

耶鲁公开课 - 美国内战与重建课程节选

Leaders such as Zoeller are doing what they are constitutionally required to do: Enforce the law.

CNN: Indiana gets real on immigration

"To enforce the law, the institutions of justice have to be beyond reproach, " he says.

CNN: TARGET: THE ATTORNEY-GENERAL

We must enforce the law evenly, and without regard to skin color, accent or social status.

CNN: Immigration excerpts: Obama vs. Brewer