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truancy from [place]
介词 from 后接未出席的场所，如 school、work 等。
Truancy from school can lead to poor grades.
逃学会导致成绩不佳。
旷课；逃学
先理解核心含义，再看它在真实句子里的用法。
旷课；逃学
failure to attend, especially school
Truancy from school can lead to poor grades.
逃学会导致成绩不佳。
逃避责任和义务的行为,尤指逃学。
The act of shirking from responsibilities and duties, especially from attending school.
The school has introduced a new program to reduce truancy among students.
学校推出了一项新计划，以减少学生旷课的情况。
His teachers were worried about his frequent truancy last term.
他的老师们上学期非常担心他频繁逃学。
The counselor talked to the student about the reasons for her truancy.
辅导员与那名学生谈了她旷课的原因。
介词 from 后接未出席的场所，如 school、work 等。
Truancy from school can lead to poor grades.
逃学会导致成绩不佳。
truancy 可直接放在另一名词前作定语，如 rate、problem、record 等。
The truancy rate in this school has increased.
这所学校的旷课率上升了。
an act of 表示一次具体行为，truancy 在此视为不可数名词。
The report described an act of truancy.
报告描述了一次逃学行为。
Not this
He was truancy from school last week.
Use this
He was truant from school last week.
truancy 是名词，不能放在 be 后作表语来形容人；表示“旷课的”应用形容词 truant，因此 be 后接 truant。
Not this
He was punished for truancy of school.
Use this
He was punished for truancy from school.
truancy 后接介词 from 表示“从……旷课”，from school 是正确搭配；of 表示所属或来源，用在这里不符合英语搭配。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
长期旷课
Chronic truancy often begins with occasional missed classes.
长期旷课往往始于偶尔缺课。
学校旷课现象
The district is piloting a program to tackle school truancy.
该学区正在试点一项计划，以应对学生旷课问题。
旷课率
The school's truancy rate fell after the new attendance policy.
实行新的考勤政策后，这所学校的旷课率下降了。
旷课督查员
The truancy officer visited the family to ask why the child was missing school.
旷课督查员走访了这个家庭，询问孩子为什么缺课。
应对旷课
Schools are working with parents to combat truancy.
学校正在与家长合作，共同应对旷课问题。
旷课问题
The town has a serious truancy problem in middle schools.
这个镇的中学生旷课问题很严重。
Use truancy naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
truancy 开头的 tru 与 true（真正）同音，记住“真正去上课”才不算旷课；缺席逃学就是 truancy。
语域：formal 常见场景：education、school policy、legal truancy 是比较正式的说法，多用于学校规章、教育记录或法律语境；日常口语中更常说 skip school。
与 truancy 真正押韵的是 fluency /ˈfluːənsi/（重读元音均为 /uː/，且后面都是 /ənsi/）。vacancy、infancy、tenancy、buoyancy 虽以 -ancy 结尾，但重音在更早的音节，重读元音并非 /uː/，所以不押韵。truant 虽以 /truː/ 开头，但结尾是 /ənt/，读音也不同。
Dictionary facts from ECDICT, WIKTIONARY.