Literal meaning
push (推) — heart (心) — place (置) — belly (腹)
Origin
Book of Later Han (《后汉书·光武帝纪》). When Liu Xiu, founder of the Eastern Han, accepted the surrender of a rival army, he dismissed his bodyguards and rode alone through the surrendered ranks. The soldiers, astonished, said: 萧王推赤心置人腹中，安得不投死乎 — "Lord Xiao puts his red heart into people's bellies; how can we not give our lives for him?" The phrase became shorthand for the kind of vulnerability that earns total trust in return.
Examples
Usage & nuances
Implies real soul-baring, not casual chat. Often describes long heart-to-heart conversations or moments of unusual candor between people who'd otherwise stay polite.
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