"harmonious coexistence with classmates" 用英语可以说作 "harmonious coexistence with classmates" , 或者 "getting along well with classmates" 。
这个短语来源于英语中的 "harmonious" 和 "coexistence"，"harmonious" 意为和谐的，"coexistence" 意为共存。
例句：
It is important for students to learn how to maintain a harmonious coexistence with their classmates.
He has trouble getting along well with his classmates.
翻译：
学生学会如何与同学和谐相处是非常重要的。
他与同学相处不太融洽。