lost 英[lɒst] 美[lɔ:st] adj. 失去的; 迷路的; 不知所措的; v. 遗失,失去( lose的过去式和过去分词); (使)失去(所需要的东西,尤指钱) ; (因事故、年老、死亡等) 损失; 浪费; [例句]Barely had I set foot in the street when I realised I was lost我在街上没走几步就意识到自己迷路了。
I lost my book in the bus