空文 [－－]

Jyutping hung1 man4
Pinyin kōng wén

Definitions (Wiktionary)
  1. noun
    dead letter; mere scrap of paper; ineffective law or regulation
  2. noun
    article devoid of substance or practicality
    (syn.) 文具
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）