如火燎原 rúhuǒliáoyuán to spread like wildfire Origin Definitions Defs Strokes Stroke Words Sentences Sents 如 rú preposition to be like to be like; to be similar to; as if火 huǒ noun fire fire; light and heat produced by burning; flames燎原 liáoyuán to set the prairie ablaze to burn across a plain; also used to describe a situation spreading rapidly or getting out of control like a prairie fire