肅清

Verb

 * 1) to eliminate; to mop up
 * 2)  to purge

Proper noun

 * 1)  Sook Ching a systematic purge of perceived hostile elements among the Chinese in Singapore by the Japanese military during the Japanese occupation of Singapore and Malaya from 18 February to 4 March 1942

Adjective

 * 1)  at peace and free of corruption
 * 2)  sober; calm