出口成章

chūkǒuchéngzhāng
  1. (idiom) (of one's speech) eloquent
  2. articulate

CEDICT

Entry Composition

1 出口 chūkǒu
  1. an exit
  2. to speak
  3. to export
  4. (of a ship) to leave port

classifier: 個
2 成章 chéngzhāng to form a coherent composition