indiscipline
noun [ U ] formal uk/ɪnˈdɪs.ə.plɪn/ us/ɪnˈdɪs.ə.plɪn/
无纪律;缺乏管教
a situation in which people do not control their behaviour or obey rules
The school was given three months to solve the problem of indiscipline. 学校被勒令于3个月内解决学生纪律涣散的问题。
Compare: discipline noun