hazing       
noun [ U ] US uk/ˈheɪ.zɪŋ/ us/ˈheɪ.zɪŋ/
 (尤指对学校新生或社团的新成员)作弄、欺凌行为
the activity of playing tricks on someone, especially a new person in a fraternity or sorority (= a social organization for university students)
  Ten fraternity members had their heads shaved during hazing last week. 上周,十名兄弟会成员因遭受欺凌被剃了光头。 
 A hazing incident ended with one student in the hospital. 一场欺凌事件以一名学生被送进医院而收尾。 
 See: haze
 - More examples
 - Although it's generally against the rules, hazing still exists in some places.
 - No one should have to accept the ridiculous behavior that is a part of hazing.
 - He was wearing a cheerleader outfit as part of a rookie hazing ritual.