炮火

artillery barrage / gunfire

to sauté / to fry / to dry by heating

to prepare herbal medicine by roasting or parching (in a pan)

cannon / CL:座[zuo4] / firecracker

variant of 炮[pao4]

fire / urgent / ammunition / fiery or flaming / internal heat (Chinese medicine) / hot (popular) / classifier for military units (old) / Kangxi radical 86

cannon firing for days on end (idiom); enveloped in the flames of war