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Jyutping gaau3 fo1 syu1 sik1
Pinyin jiào kē shū shì

Definitions (Wiktionary)
  1. adj, attributive, neologism, slang
    textbook-example

教科書式 [--书-]

Jyutping
Pinyin jiào kē shū shì

Definitions (CC-CEDICT)
  1. (neologism c. 2018) worthy of being used as a textbook example
  2. exemplary
  3. classic
  4. quintessential