lostadj.迷路的；丢失的；错过的；失败的；不知所措的；摧毁的；被杀死的；忘我的；不能理解的动词lose的过去式和过去分词形式lost game输局lost pass空轧道次lost book佚书lost root减根lost work无效功,虚功lost cost损失的成本lost path丢失路径lost witsv.丧失理智lost soulph.lost will遗失的遗嘱