小字辈儿

Traditional (Taiwan): 小字輩兒

xiǎozìbèir ㄒㄧㄠˇ ㄗˋ ㄅㄟˋㄦ

    • young people with little experience or seniority

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
small-character generation
Meaning
Young people with little experience or seniority. Neutral, sometimes self-deprecating.

Sources