ㄉㄧㄠˋㄕㄨㄉㄞˋdiàoshūdài

掉书袋
  1. 擺弄諷刺引經據典賣弄學問 文章掉書袋刻意一些艱澀文字」。

lit. to drop a bag of books (idiom)​; fig. to drop quotations to appear learned, to quote classical texts as a parade of erudition
(expr. idiom.)​ laisser tomber un sac de livres, citer des textes classiques ou citations pour paraitre érudit