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Jyutping ng5 saa1 wan6 dung6
Pinyin wǔ sà yùn dòng

Definitions (CC-CEDICT)
  1. anti-imperialist movement of 30th May 1925, involving general strike esp. in Shanghai, Guangzhou, Hong Kong etc
Definitions (Wiktionary)
  1. name
    the May Thirtieth Movement
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)