火上加油 huǒshàngjiāyóu to add fuel to the fire Origin Definitions Defs Strokes Stroke Words Sentences Sents 火 huǒ noun fire fire; light and heat produced by burning; flames上 shang locative on (suffix) on; in; at; on the surface of; used after a noun to indicate a location, scope, or aspect加油 jiāyóu verb + noun to refuel To add fuel or lubricant to a vehicle or machine; to top up with gas.