study holiday
noun [ C usually plural ] Indian English uk/ˈstʌd.i ˌhɒl.ə.deɪ/ us/ˈstʌd.i ˌhɑː.lə.deɪ/
（学校没有课的）复习备考阶段
one of a number of days that students spend preparing for an exam when there are no classes at school, college, or university