(1) end 目的;意图 (英语解释：An end is the purpose for which something is done or towards which you are working.)

The police force is being manipulated for political ends.有人为了政治目的在操纵警方。

Now the government is trying another policy designed to achieve the same end.  现在政府正在尝试实现殊途同归的另一项政策。

They are prepared to use violence in pursuit of their ends.他们准备使用暴力来达到目的。

She is exploiting the current situation for her own ends.她在利用目前的形势来达到自己的目的。

(2)purpose  意图；目的；用途；目标(英语解释：the intention, aim or function of sth; the thing that sth is supposed to achieve)

Our campaign's main purpose is to raise money.我们这次活动的主要目的就是募款。

The purpose of the book is to provide a complete guide to the university.本书旨在全面介绍这所大学。

A meeting was called for the purpose of appointing a new treasurer.为任命新司库而召开了一次会议。

The experiments serve no useful purpose .这些实验毫无用处。

The building is used for religious purposes.这座建筑是用于宗教活动的。

(3)political ends政治目的

The police force is being manipulated for political ends.  有人为了政治目的在操纵警方。

Dixon played to popular prejudices to serve his political ends.  狄克逊竭力迎合人们的偏见来为他的政治目的服务.

The violence used by the local authority for political ends was unacceptable.  地方当局出于政治目而使用暴力是让人无法接受的.

(4)political purpose政治目的 

Irresponsibly distort the news content for some political purpose.  为了某种政治目的擅自修改新闻内容.

 It also serves a political purpose.  这么做也同样符合政治目的.