loses; lost /ˈlɑːst/ ; losing loses; lost /ˈlɑːst/ ; losing Learner's definition of LOSE
1
[+ object] : to be unable to find (something or someone)丢失；遗失 -
She's always losing her gloves.她总是丢手套。
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Don't lose your keys.别把钥匙丢了。
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Hold my hand: I don't want to lose you.抓住我的手，我不想把你弄丢了。
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The police lost him in the crowd. [=the police were no longer able to find/see him after he went into the crowd]警察在人群中把他跟丢了。
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The airline lost my luggage. [=my luggage did not arrive at the airport I flew into]航空公司把我的行李弄丢了。
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He lost the fly ball in the sun. [=he was unable to see the fly ball because he was looking toward the sun]阳光晃得他没看到那个高飞球。
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The letter was lost in the mail. [=it was sent but never delivered to the person it was addressed to]信寄丢了。
2
: to fail to win (a game, contest, etc.)输掉（比赛等） [+ object]
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lose a battle/game输掉战斗/比赛
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She lost her bid for reelection. [=she failed to win the election; she was not reelected]她在改选中失利。
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We lost the game by a score of 4-2.我们以2：4的比分输掉了比赛。
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He lost his title in the rematch.他在复赛中失去了冠军头衔。
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She lost the lawsuit.她输了官司。
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The team lost three games but won the next four.这个队连输三场，但接着赢了四场。
[no object]
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The team lost in the finals.这个队在决赛中败北。
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an athlete known for losing with grace以输比赛但不输体面而出名的运动员
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That horse always loses.那匹马总是输。
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He hates to lose when money is involved.涉及钱时，他就很不愿意输。
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How could she play that well and still lose?她发挥那么好，怎么还是输了呢？
—
often + to 3
a [+ object] : to fail to keep or hold (something wanted or valued)失去；丧失 -
lose an advantage失去优势
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The country lost its independence 50 years ago.这个国家50年前丧失了独立。
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The mayor is losing power/influence/support.那位市长的权力/影响力/支持度正在减弱。
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He is in danger of losing control of the company.他面临失去公司控制权的危险。
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She lost control of the car and skidded off the road.她的车失去控制，滑出了马路。
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I was so angry that I lost control (of myself, of my temper) and yelled at them.我生气极了，情绪失控，冲他们吼了起来。
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She didn't lose her job but she lost access to all confidential company materials.她虽然保住了工作，但无法再接触公司任何机密材料了。
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The senator lost votes when he angered some of his supporters.那位议员因激怒了他的一些支持者而丢了选票。
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The religious community was losing its younger members.这个宗教团体的年轻成员正在流失。
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He hasn't lost his sense of humor.他还没有失去幽默感。
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They had lost all hope of winning the title.他们已经完全失去了夺冠的希望。
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I don't want anything to eat. I've lost my appetite. [=I no longer feel hungry]我什么也不想吃。我没胃口。
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She began to lose confidence in herself. [=to feel less confident]她开始对自己失去信心。
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Try not to lose patience with the children.尽量不要对孩子失去耐心。
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The accident victim was rapidly losing blood.事故受害者在大出血。
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I'm sorry I'm late. I lost track of the time. [=I failed to stay aware of the time; I did not realize that so much time had passed]抱歉我来晚了。我没留意时间。
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She lost her balance [=failed to keep her weight spread equally] and fell.她失去平衡摔倒了。
b ◊ If you have nothing (else/left) to lose, you cannot make a situation worse by taking a risk. If you have a lot to lose or have too much to lose, you could make your situation much worse by taking a risk or doing something.不会有任何损失；会失去很多
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You might as well apply for the job. You have nothing to lose and everything to gain.你不妨申请这份工作。你会只赚不亏。
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Some of them are married and have young children—they have a lot to lose.他们中有些人已经结婚生子了——他们会失去很多。
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I can't quit now. I have too much to lose.我现在不能退出，否则我将损失惨重。
c : to fail to earn or keep (money)亏损 [+ object]
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They lost all their money/savings in a poor investment.他们因一次失败的投资而失去了所有的钱/积蓄。
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The company has been losing money for the past several years. [=it has been spending more money than it has been earning]公司在过去的几年中一直亏损。
[no object]
d [+ object] : to have (something) taken from you or destroyed被剥夺；被损坏 -
We lost (electrical) power during the storm.暴风雨期间我们断电了。
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He lost an arm in the war. [=one of his arms was destroyed or so badly injured that it had to be removed]他在战争中失去了一条胳膊。
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They lost everything in the fire. [=all their possessions were destroyed in the fire]火灾夺走了他们的一切。
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He yelled so much during the game that he lost his voice [=he was unable to speak] for two days.他在比赛期间吼得太卖力了，结果嗓子哑了两天。
e [+ object] : to gradually have less of (something) as time passes逐渐减少 -
Many people who lose weight by dieting eventually gain the weight back.许多节食减肥的人最后还是胖了回来。
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She has been losing strength in her legs.她的腿越来越没力气了。
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He was gradually losing his eyesight.他的视力正在逐渐衰退。
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He's losing his hair. [=becoming bald]他开始脱发了。
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The public seems to have lost interest in the case.公众似乎已经对这个案子失去了兴趣。
4
[+ object] : to cause (someone) to fail to win or keep (something) : to cause the loss of (something) for (someone)使失败；使丧失 5
a : to decrease in (something)减少；降低 [+ object]
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The TV program has lost popularity [=become less popular] in recent years.近年来这档电视节目的热度已经退去。
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The plane was losing altitude.飞机正在下降。
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What will you do if the company's stock loses value when you expect it to gain value?当你期待公司股票升值时它却贬值了，你会怎么做？
[no object]
b [+ object] : to decrease in value by (a specified amount)价值下跌至… c [no object] : to decrease in value when compared to something else（与其他事物比较时）价值降低 6 [+ object]
a : to experience or suffer the death of (a relative, friend, etc.)失去（亲人或朋友等） -
She lost her husband in the war. [=her husband was killed in the war]她在战争中失去了丈夫。
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He lost his best friend to cancer. [=his best friend died of cancer]癌症夺走了他最好的朋友。
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The country lost thousands of young men in/during the war. = Thousands of young men were lost [=killed] in/during the war. = Thousands of young men lost their lives in/during the war.这个国家有成千上方的年轻人在战争中丧生。
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She's very sick, and the doctors say they're afraid they're going to lose her. [=they're afraid that she is going to die]她病得很重，医生说她恐怕没救了。
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I was sad to hear that she lost the baby. [=that her baby died before being born or soon after being born]听说她的孩子没了，我很难过。
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a sailor who was lost at sea [=who died at sea]在海上遇难的水手
b : to no longer have or be with (someone who leaves)失去（离开的伴侣、伙伴等） 7
[+ object] : to fail to keep control of (something)对（某物）失去控制 -
He lost his temper/cool/composure. [=he became angry]他失控发脾气了。
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She wondered if she was losing her mind/sanity. [=becoming insane]她不知道自己是不是失去了理智。
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He seems to be losing his nerve. [=becoming afraid]他看起来惊慌失措。
— see also lose your head at 1head 8 [+ object]
a : to fail to use (something, such as time) : waste浪费（时间等） -
I don't want to lose this chance/opportunity.我不想浪费这次机会。
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We lost (a good bit of) time in that traffic jam.堵车浪费了我们（很多）的时间。
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She lost no time in getting the project started. [=she got the project started immediately]她立即启动了项目。
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We need to get started immediately. There's no time to lose.我们得马上开始。抓紧时间吧。
b of a watch or clock : to show a time that is earlier than the correct time : to run slow by (an amount of time)（钟表）走慢 [+ object]
[no object]
9
[+ object] : to explain something in a way that is not clear to (someone) : to confuse (someone)使不明白；使迷惑 -
I'm sorry. You've lost me. [=I don't understand what you're telling me]很抱歉，你把我弄糊涂了。
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I understood the first part of the lecture, but when he started to talk about quantum physics he lost me completely. [=I was completely unable to understand what he was saying]讲座的第一部分我听懂了，但是当他开始讲量子物理学之后我就完全被搞糊涂了。
10
[+ object] : to succeed in getting away from (someone who is following or chasing you)逃脱；甩掉（跟踪者） 11
[+ object] informal : to get rid of (something unwanted)摆脱（不想要的东西） -
I just can't seem to lose this cold.看来我是没法摆脱这场感冒了。
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Lose the attitude, okay? [=stop having a bad attitude; stop being annoyed, uncooperative, etc.]把态度改改，行不？
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You can lose [=remove] that sentence and the paragraph will sound better.你可以删掉那个句子，这样整段话听起来会好些。
lose it
informal 2
: to start behaving in an uncontrolled way because you are angry or upset（因生气或苦恼）失控
lose out
[phrasal verb]
: to fail to keep or get something valued or desired丧失，得不到（贵重的或想要的东西） —
often + on or to -
If you don't invest with us, you'll be losing out on a great opportunity! [=you'll be missing/wasting a great opportunity]如果你不给我们投资，你将错失良机。
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She lost out to a better-known actress for the lead role. [=she did not get the lead role because a better-known actress got it]她没演成女主角，输给了一个知名度更高的女演员。
lose the plot
— see 1plot
lose your grip
— see 2grip
lose your head
— see 1head
lose your heart
— see heart
lose your life
— see 1life
lose your marbles
— see marble
lose yourself
: to give all of your attention or thought to something沉浸于；专心致志于
lose your shirt
— see shirt — losable
/ˈluːzəbəl/ adjective
— losing
adjective -
the losing candidate in the race [=the candidate who did not win; the candidate who lost]角逐中失败的候选人
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The team is on a losing streak.这支球队屡战屡败。
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The team had a losing record/season.这支球队有个失败的战绩/赛季。