Appears in
略知一二(idiom) to know just a little; to have a rough idea四一二12th April一二九运动December 9th Movement (1935), student protest movement calling for resistance to Japanese aggression一二八事变January 28 Incident (1932), military conflict between China and Japan in Shanghai四一二事变the coup of 12th Mar 1927, an attempt by Chiang Kai-shek to suppress the communists四一二反革命政变counterrevolutionary coup of 12th April 1927, Chiang Kai-shek's coup against the communists in Shanghai四一二惨案the massacre of 12th Mar 1927