反右派斗争 (反右派鬥爭) fǎn yòupài dòuzhēng

fǎn yòupài dòuzhēng proper noun Anti-Rightist Movement
Domain: History 历史 , Subdomain: China 中国
Notes: Mao's purge of rightists after the Hundred Flowers Campaign ended in 1957 (CC-CEDICT '反右派鬥爭'; Wikipedia '反右派鬥爭')