1Action, conduct, or behavior — what a person or organization actually does. Also covers organized activity or mobilization, such as group or military action.
危険を感じたらすぐに行動を起こしてください。
If you sense danger, take action immediately.
効果的な行動計画を立てて実行した。
I made and carried out an effective action plan.
彼の行動は周囲に良い影響を与えた。
His behavior had a positive effect on those around him.
台風が近づいているので、早めの行動を心がけましょう。
A typhoon is approaching, so let's be sure to act early.