expression, godan verb (-su)
give off sparks; spark
Literal physical sense: sparks fly from friction, impact, or electrical discharge.
鉄道のレールと車輪が火花を散らした。
The train rails and wheels gave off sparks.
expression, godan verb (-su)
have a heated argument; fight fiercely
Idiomatic: describes a fierce debate, clash of opinions, or intense competition where figurative sparks fly.
会議では両派が火花を散らして議論した。
At the meeting, the two factions argued fiercely, sparks flying.