1. 政治；政治事务；政治活动（其后的动词既可用单数，又可用复数）
    Politics are the actions or activities concerned with achieving and using power in a country or society. The verb that follows politics may be either singular or plural.

    e.g. The key question in British politics was how long the prime minister could survive...
           英国政治的关键问题是首相能坚持多久。
    e.g. He quickly involved himself in local politics...
           他很快涉足地方政治事务。

2. 政治信仰；政治主张；政治见解
    Your politics are your beliefs about how a country ought to be governed.

    e.g. My politics are well to the left of centre.
           我的政治主张相当偏左。

3. 政治学
    Politics is the study of the ways in which countries are governed.

    e.g. He began studying politics and medieval history.
           他开始学习政治学和中世纪史。
    e.g. ...young politics graduates.
           年轻的政治学毕业生

4. 手腕；权术；策略（其后的动词既可用单数，又可用复数）
    Politics can be used to talk about the ways that power is shared in an organization and the ways it is affected by personal relationships between people who work together. The verb that follows politics may be either singular or plural.

    e.g. You need to understand how office politics influence the working environment.
           你需要了解办公室权术是如何影响工作氛围的。