Someone who is fighting for their life is making a great effort to stay alive, either when they are being physically attacked or when they are very ill. 与死神作斗争
noun [具体名词]战斗,打斗
He is still fighting for his life in the hospital. 他还在医院里与死神作斗争。
adjective [原级]作战用的;好战的,好斗的;适于打斗的;表现出斗志的
My little brothers are always fighting. 我的小弟弟们总在打架。