名詞 lost:

1. people who are destined to die soon
   同義詞：doomed

動詞 lose:

1. fail to keep or to maintain; cease to have, either physically or in an abstract sense
   同義詞：lose
2. fail to win
   同義詞：lose
3. suffer the loss of a person through death or removal
   同義詞：lose
4. place (something) where one cannot find it again
   同義詞：misplace, mislay, lose
5. miss from one's possessions; lose sight of
   同義詞：lose
6. allow to go out of sight
   同義詞：lose
7. fail to make money in a business; make a loss or fail to profit
   同義詞：lose, turn a loss
8. fail to get or obtain
   同義詞：lose
9. retreat
   同義詞：fall back, lose, drop off, fall behind, recede
10. fail to perceive or to catch with the senses or the mind
    同義詞：miss, lose
11. be set at a disadvantage
    同義詞：suffer, lose

形容詞 lost:

1. no longer in your possession or control; unable to be found or recovered
2. having lost your bearings; confused as to time or place or personal identity
   同義詞：confused, disoriented
3. spiritually or physically doomed or destroyed
4. not gained or won
5. incapable of being recovered or regained
6. not caught with the senses or the mind
   同義詞：missed
7. deeply absorbed in thought
   同義詞：bemused, deep in thought, preoccupied
8. no longer known; irretrievable
   同義詞：forgotten
9. perplexed by many conflicting situations or statements; filled with bewilderment
   同義詞：baffled, befuddled, bemused, bewildered, confounded, confused, mazed, mixed-up, at sea
10. unable to function; without help
    同義詞：helpless

1. It is a pity (that) he lost so much money.
   他損失這么多錢，真是遺憾。
2. He is hunting for his lost book.
   他正在尋找一本遺失的書。
3. It's surprising: they lost!
   他們竟然失敗了，真沒想到！
4. She looked out of the window, sighing for her lost youth.
   她看著窗外，為她失去的青春而惋惜。

lost

v.（動詞）
Past tense and past participle of lose
lose的過去式和過去分詞
adj.（形容詞）
Unable to find one`s way:
迷路的：無法找到某人的路的：
例句：
a lost child.
一個迷路的孩子

No longer in the possession, care, or control of someone or something:
丟失的：不再擁有、照顧或支配某人或某物的：
例句：
a lost pen.
一只丟失的鋼筆

No longer known or practiced:
不再為人所知或?qū)嵺`的：
例句：
a lost art.
一門失傳的藝術(shù)

Unable to function, act, or make progress.
不產(chǎn)生效果的：不能再作用、行動或進(jìn)步的
Spiritually or physically destroyed.
無感覺的，麻木的：精神上或肉體上被摧毀的
Completely involved or absorbed; rapt:
沉湎其中的：完全參與或投入的；著迷的：
例句：
lost in thought.
陷入思考