火花

1. Origins, structure, and basic meaning

• Structure: 火花 (ひばな) means a flying spark and figuratively a fierce clash. The examples use a subject and an idiomatic object.
• Basic usage: Real sparks scatter while metal is cut; two teams clash intensely in a final.

2. Common pitfalls and similar expressions

• Sparks from cutting and figurative sparks of competition
  • 火花が飛び散る is physical; 火花を散らす is an idiom for rivalry. The match does not involve literal fire.