fǎn yòu pài dòu zhēng
Anti-Rightist Movement, Mao's purge of "rightists" after the Hundred Flowers Campaign ended in 1957
反
fǎn
contrary
右
yòu
(bound form) right; right-hand side
派
pài
(literary) tributary; branch of a river
斗
dòu
to fight
争
zhēng
to strive for