radical change of public sentiment; renewal of people's thinking
Formal, somewhat literary term for a sweeping shift in public opinion or mindset, often used in political or social commentary.
Policies aimed at radically changing public sentiment are being called for.
Without a renewal of people's thinking, social progress is impossible.
Similar meaning but 一新 implies a more complete renewal or overhaul, while 刷新 emphasizes radical change or reform.
Compound of 人心 (public sentiment) and 刷新 (reform, renewal). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.