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.

• チームメイトが去さった後あと、彼かの女じょは孤こ軍ぐん奮ふん闘とうして研けん究きゅうを続つづけた。

  After her teammates left, she continued the research, struggling alone.