充大瓣蒜

chōngdàbànsuàn ㄔㄨㄥ ㄉㄚˋ ㄅㄢˋ ㄙㄨㄢˋ

    • to pretend to be capable or important

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
pose as a big garlic clove
Meaning
To pretend to be someone capable or important. Mocking.

Sources