翻身 literally means 'to turn over (one's) body' — combining 翻 (fān, 'to flip, overturn') and 身 (shēn, 'body'). Its core physical meaning refers to changing position while lying down, like rolling from back to side during sleep. This concrete action extends metaphorically to signify a dramatic positive change in one’s life circumstances — especially rising out of poverty, oppression, or long-term hardship. In modern Chinese, this figurative use is extremely common and carries strong emotional weight, often implying hard-won liberation, social mobility, or personal renewal.

The term gained widespread cultural resonance after the founding of the People’s Republic of China in 1949, when it was used officially to describe peasants and workers 'rising up' after centuries of exploitation. Today, it appears in both formal discourse (e.g., economic development reports) and everyday speech (e.g., describing someone’s career breakthrough), always suggesting transformation from disadvantage to dignity or stability.