题目内容：

They are proud of their player.为什么这里的player不加s?

优质解答

They are proud of their player.
翻译：他们以他们的运动员为骄傲.
这里的player在这指的是整体,一个体育团队.所以不按个体讲.
如果说两个以上运动员（强调个体）,就用复数：
比如：
There are five players in our team.