Now, Trump has stated he does not want the U.S. to serve as the world's policeman.

现在特朗普称他不希望美国担当世界警察这个角色。

The Romans are the first nation in western history to have appointed themselves as the world's policemen.

在西方历史上，罗马是第一个自称为世界警察的国家。

Like it or not, the United States of America has assumed Rome's old roles as the world's tough guy and the world's policemen.

无论是否喜欢，美国继承了罗马的位置成为世界的硬汉和世界警察。

However, the US continues to primarily focus on its foreign policy, showing an apparent willingness to become the world's policeman of sorts.

然而， 美国仍然主要关注其外交政策，显然愿意成为某种程度上的世界警察。