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misbehavior in [place/context]
常与表示处所或场景的名词搭配，说明不当行为发生的环境。
The teacher reported misbehavior in the classroom.
老师报告了教室里的不良行为。
不良行为；不端行为
先理解核心含义，再看它在真实句子里的用法。
不良行为；不端行为
improper, wicked, or immoral behavior
The teacher reported misbehavior in the classroom.
老师报告了教室里的不良行为。
不正当的举止；不规矩的行为
n. improper or wicked or immoral behavior
The teacher sent the student to the office because of his misbehavior in class.
老师因为那个学生在课堂上的不良行为而让他去了办公室。
The dog's misbehavior at the park embarrassed its owner.
那只狗在公园里的不端行为让主人很尴尬。
It was her constant misbehavior at work that led to a warning.
正是她在工作中不断的不当行为导致了一次警告。
常与表示处所或场景的名词搭配，说明不当行为发生的环境。
The teacher reported misbehavior in the classroom.
老师报告了教室里的不良行为。
用 by 引出行为主体，通常指某人的行为。
Misbehavior by a few players spoiled the game.
少数球员的不当行为毁掉了这场比赛。
act of misbehavior 是较正式的表述，强调某一次具体的行为。
Any act of misbehavior will be recorded.
任何不当行为都会被记录下来。
Not this
He showed a misbehavior in class.
Use this
He showed misbehavior in class.
misbehavior 是不可数名词，不能加不定冠词 a；去掉 a 后句子才正确。
Not this
His misbehaviors annoyed the teacher.
Use this
His misbehavior annoyed the teacher.
misbehavior 没有复数形式，即使指多次不良行为也应用单数。
Not this
His constant misbehave in class got him detention.
Use this
His constant misbehavior in class got him detention.
misbehave 是动词，不能作名词；这里作主语需要用名词 misbehavior。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
学生的不良行为
The new policy is designed to reduce student misbehavior.
新政策旨在减少学生的不良行为。
课堂上的不端行为
Teachers need effective strategies to handle classroom misbehavior.
教师需要有效的策略来处理课堂上的不端行为。
严重的不端行为
Any serious misbehavior will be reported to the parents.
任何严重的不端行为都会被报告给家长。
反复出现的不端行为
Repeated misbehavior may result in detention.
反复出现的不端行为可能会导致留堂。
纠正不端行为
The teacher used positive reinforcement to correct misbehavior.
老师用正面强化来纠正不端行为。
Use misbehavior naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆开记：mis-（错）+ behavior（行为），错误的行为就是品行不端。
语域：mixed 常见场景：学校/课堂、工作场合、法律文书 misbehavior 多用于正式或半正式场合，如学校纪律、工作评估或法律文书；日常口语中更常说 bad behavior。法律语境下可指“行为不端”。使用时需注意语域，避免在随意对话中显得过于正式。
真正押韵的词：behavior /bɪˈheɪvjə/、savior /ˈseɪvjə/，均以 /eɪvjə/ 结尾。注意拼写相似的 behave /bɪˈheɪv/ 和 misbehave /ˌmɪsbɪˈheɪv/ 末尾读 /heɪv/，与 misbehavior 不押韵。
Dictionary facts from ECDICT, WIKTIONARY.