掉书袋 diào shū dài

DEFINITIONS

  1. lit. to wave around one's bookbag (idiom)
  2. fig. to show off one's erudition
  3. a person who does so

CHARACTERS

掉 diào
HSK 4
turn, move; shake, wag; drop down
书 shū
HSK 1
book, letter, document; writings
袋 dài
HSK 4
pocket, bag, sack, pouch