词典释义：
unable to find one's way; not knowing one's whereabouts
迷路的；迷失的
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Help! We're lost! 救命！我们迷路了！
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they got lost in the fog .他们在雾中迷失了方向。
unable to be found
遗失的；失去的
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he turned up with my lost golf clubs .他带着我丢失的高尔夫球杆出现了。
[predic.](of a person)very confused or insecure or in great difficulties
（人）迷惘的，丧失信心的；失落的；处于困境的
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she stood there clutching a drink, feeling completely lost 她端着一杯酒站在那里，感到十分迷惘
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I'd be lost without her .没有她我会心神不宁的。
denoting something that has been taken away or cannot be recovered
丧失（的），逝去（的）
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if only one could recapture one's lost youth .要是能重新拥有逝去的青春，那该有多好！
(of time or an opportunity)not used advantageously; wasted
（时间，机会）错过的，浪费的
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the decision meant a lost opportunity to create 200 jobs. 这个决定意味着创造２００个工作岗位的机会就此泡汤了。
having perished or been destroyed
死亡的；遇难的
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a memorial to the lost crewmen. 遇难机组成员纪念碑。
(of a game or contest)in which a defeat has been sustained
（比赛，竞赛等）失败的，输掉的
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the lost election of 1979 .１９７９年的选举失败。
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all is not lost used to suggest that there is still some chance of success or recovery 还有机会（取得成功或东山再起） -
be lost for words be so surprised, confused, or upset that one cannot think what to say 因非常惊讶（或迷惑、失望）而一时语塞 -
be lost on fail to influence or be noticed or appreciated by （someone） 对（某人）不起作用；不被（某人）注意（或重视）the significance of his remarks was not lost on Scott. 斯科特听懂了他话中的含义 -
get lost ［often in imperative］informal go away （used as an expression of anger or impatience）〈非 正式〉 ［常 用于祈使语气，表示恼怒或不耐烦］ 走开，别来烦我Why don't you leave me alone? Go on, get lost! 让我自己待一会行吗？快点走开！give someone up for lost stop expecting that a missing person will be found alive 不再（对失踪的人）抱生还的希望 -
make up for lost time do something faster or more often in order to compensate for not having done it quickly or often enough before 赶进度，补回损失的时间
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be lost 丢失；迷路
真题例句：
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lostadj.迷路的；迷失的；丧失；逝去；失败的；输掉的；失去的；失落的；遗失的；死亡的
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lotpron.许多；大量
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listn.表；一览表；清单；围栏；镶边；倾侧；渴望；喜好
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mostdet. & pro.最大的；最高程度的；大多数的；几乎全部的
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lossn.遗失；丧失；损失；经济损失；失去所爱之人（或宝贵事物）的痛苦；痛失；死后被人怀念的人；失去后使人难以忘怀的物品
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hostn.主人；寄主；宿主；接受移植组织的受体；主机；生存地；许多人；圣体；主办方；主办地
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lastadj.最后的；上一次的；最近的；惟一的；仅存的；最低的；最差的；上一个的；刚提到的；最不适合的
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postn.柱；杆；桩；标桩；球门柱；邮政；邮递；驿马送信员；职位；职务；工作；岗位；皇家海军大舰长身份
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costv.成本为；价格为；给… 估价；导致…损失；使付出…的代价；使费力做；使参与；使花许多钱
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