班主任是容嬷嬷失散的孩子
[bān zhŭ rèn shì róng mā mā shī sàn de hái zi]
'Class advisor is the lost child of Lady Rong'—in this case, 'class advisor' is a term for a school teacher who serves as a form tutor or class caretaker in Chinese education systems; while 'Lady Rong' comes from the popular Chinese drama 'Stories of the Forbidden City'. This net name implies the user may have strict teachers and uses humor to cope with this experience.