in loco parentis
/ɪnˈləʊkəʊpəˈrentɪs/adverb & adjective
- (of a teacher or other adult responsible for children) in the place of a parent（教师等孩童监护者）代替父母职责的（地）：
as adv. he was used to acting in loco parentis他惯于充当他人父母
as adj. they adhered to an in loco parentis approach when dealing with students.他们在对待学生时坚持为人父母的教育方法。
词源
Latin.