肃反

to eliminate counterrevolutionaries (abbr. for 肅清反革命分子|肃清反革命分子[su4 qing1 fan3 ge2 ming4 fen4 zi3])

surname Su

respectful / solemn / to eliminate / to clean up

contrary / in reverse / inside out or upside down / to reverse / to return / to oppose / opposite / against / anti- / to rebel / to use analogy / instead / abbr. for 反切[fan3 qie4] phonetic system

purge of counterrevolutionaries (esp. Mao's purge of hidden counterrevolutionaries 1955-56 and Stalin's Great Purge 1936-38)