To maim someone means to injure them so badly that part of their body is permanently damaged.
例句
Mines have been scattered in rice paddies and jungles, maiming and killing civilians...地雷遍布稻田与林间，很多平民被炸死或炸成重伤。One man has lost his life, another has been maimed.一名男子丧生，另一名重伤。
英英词典释义
Noun
1. people who are wounded;
"they had to leave the wounded where they fell"
Adjective
1. badly injured, perhaps with amputation;
"the maimed right hand twisted and clutched"- P.B.Kyne"mutilated victims of the rocket attack"