果敢

1. Origins, structure, and basic meaning

• Structure: 果敢 (かかん) describes decisive boldness despite danger. The examples use adverbial and attributive forms.
• Basic usage: Firefighters act boldly in rescue; a daring attack breaks defense and scores.

2. Common pitfalls and similar expressions

• Courageous rescue manner and aggressive play
  • 果敢に modifies 救助に当たる; 果敢な describes 攻め. It evaluates decisive initiative rather than mere recklessness.