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Jyutping ng5 cat1 gon3 haau6
Pinyin wǔ qī gàn xiào

Definitions (CC-CEDICT)
  1. May 7 cadre school (farm where urban cadres had to undertake manual labor and study ideology during the Cultural Revolution) (abbr. for 五七幹部學校|五七干部学校[Wu3 Qi1 Gan4 bu4 Xue2 xiao4])