In his fury, he consigned all the letters to the flames.
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history
This idiom gained cultural weight through Du Mu's poem 阿房宫赋, describing the burning of the Epang Palace. The phrase is now used for any act of deliberate destruction by fire.
memory
Literal: 付 (to hand over) + 之 (it) + 一炬 (one torch) = to hand it over to a single torch = to burn it all down.