孤こ軍ぐん奮ふん闘とう

noun, noun or participle which takes 'suru'

fighting alone; struggling single-handedly

Describes a person or small group striving hard without support or allies, often in a difficult situation. Used both literally (battle) and figuratively (effort, competition).

• 彼かれは周しゅう囲いの反はん対たいを押おし切きって、孤こ軍ぐん奮ふん闘とうでプロジェクトを進すすめた。

  He pushed the project forward single-handedly, overcoming opposition from those around him.