書簍子

Simplified: 书篓子

shūlǒuzi ㄕㄨ ㄌㄡˇ ˙ㄗ

    • person who has read a lot but cannot apply it

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
book basket
Meaning
Someone who has read a lot but cannot apply it in practice. Mildly mocking.

Sources