孤軍奮戰 [ㄍㄨ ㄐㄩㄣ ㄈㄣˋ ㄓㄢˋ; gu1 jun1 fen4 zhan4] lit. lone army putting up a brave fight (idiom) fig. (of a person or group of people) struggling hard without support ◄ ►