zǒu​huǒ

to discharge accidentally

走火 zǒu//huǒ
to discharge accidentally
to go off by mistake, as in a firearm being accidentally discharged or a gun firing during cleaning
to short-circuit
to spark or cause a fire due to a short circuit or damaged electrical wiring
to misspeak
to unintentionally say something inappropriate or overstate a point, often when one is excited or emotional
to catch fire
to break out in flames; to be on fire

Frequency

Movie subtitles
3.16 per million appears in 2% of films
Written text
1.78 per million

Sources