失火 shīhuǒ to catch fire Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 看那些烟，那幢大楼一定是失火了。 kàn nàxiē yān, nà zhuàng dàlóu yīdìng shì shī huǒ le. Look at that smoke, that building must be on fire. Source: AI Challenger 2017