"群居不易"可以用英文表达为"it is not easy to pve in a group"或"group pving is not easy."
这个表达来源于中文，是一个常用的成语，用来描述在群体中生活会有很多困难和挑战。
下面是一些英文例句和它们的中文翻译，希望能帮到你：
Living in a dormitory is not easy. It can be noisy and crowded. (住在宿舍并不容易。会很吵闹，也很拥挤。)
It's hard to get along with so many people in such a small space. Group pving is not easy. (在如此小的空间里和这么多人相处很难。群居不易。)
It takes a lot of effort to make group pving work. You have to be considerate of others and be wilpng to compromise. (使群居能够良好运作需要很多努力。你必须体谅他人，愿意妥协。)