to be honored to be counted among someone's students; a humble expression used when speaking to a teacher or master

To speak casually without seriousness or commitment

A master's students and followers; specifically those who have been taught and cultivated by a particular teacher. This idiom combines [[桃李|桃李|tao2 li3]], referring to students, and [[门墙|門牆|men2 qiang2]], referring to the master's school or gate.

the students or protégés taught by a specific teacher; also used to refer to a teacher's reputation through their students. Literally "the peaches and plums within the gates and walls".