五 ㄨ ˇ wǔ 卅 ㄙㄚ ˋ sà 运 ㄩㄣ ˋ yùn 动 ㄉㄨㄥ ˋ dòng 五 ㄨ ˇ wǔ 卅 ㄙㄚ ˋ sà 運 ㄩㄣ ˋ yùn 動 ㄉㄨㄥ ˋ dòng anti-imperialist movement of 30th May 1925, involving general strike esp. in Shanghai, Guangzhou, Hong Kong etc