孤军奋战 gū jūn fèn zhàn

DEFINITIONS

  1. lit. lone army putting up a brave fight (idiom)
  2. fig. (of a person or group of people) struggling hard without support

CHARACTERS

孤 gū orphan, fatherless; solitary
军 jūn army, military; soldiers, troops
奋 fèn strive, exert effort; arouse
战 zhàn war, fighting, battle