愛まな弟で子し

noun

favorite pupil; teacher's pet

Refers to a student who is especially favored or cherished by a teacher or master, often in traditional arts, crafts, or academic settings. Can carry a slightly affectionate or envious tone depending on context.

• 彼かれは師し匠しょうの愛まな弟で子しとして、特とく別べつな指し導どうを受うけている。

  As the master's favorite pupil, he receives special instruction.

• あの子こは先せん生せいの愛まな弟で子しで、いつも褒ほめられている。

  That kid is the teacher's pet and is always being praised.