N-COUNT （新闻用语，尤指惹麻烦的）青年，小伙子Journalists often refer to young men as youths, especially when they are reporting that the young men have caused trouble.
...gangs of youths who broke windows and looted shops...
打碎玻璃橱窗抢劫商店的成群的年轻人
N-UNCOUNT (国家等的)治理，管理，执政Government consists of the activities, methods, and principles involved in governing a country or other political unit.
The first four years of government were completely disastrous.
政府前4年的执政彻底失败。
此句中强调政府部门中的所有官员都参与讨论，属于复数意义
If you refer to some person or thing, you are referring to that person or thing but in a vague way, without stating precisely which person or thing you mean.
If you are worried about some aspect of your child's health, call us...
如果你担心孩子某方面的健康问题，请给我们打电话。
Jim Partridge chucked himself off some bridge or other...
吉姆·帕特里奇从某座桥上跳了下去。