争鸣

to contend

to strive for / to vie for / to argue or debate / deficient or lacking (dialect) / how or what (literary)

to cry (of birds, animals and insects) / to make a sound / to voice (one's gratitude, grievance etc)

a hundred flowers bloom, a hundred schools of thought contend (idiom); refers to the classical philosophic schools of the Warring States period 475-221 BC, but adopted for Mao's campaign of 1956

a hundred schools of thought contend (idiom); refers to the classical philosophic schools of the Warring States period 475-221 BC