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1·He lost his keys on the way to the park.

他在去公园的路上把钥匙丢了。youdao

2·The team lost the game but they played well.

球队输了比赛，但他们打得很出色。youdao

3·She lost her way in the big shopping mall.

她在大商场里迷路了。youdao

4·I lost my favorite pen last week.

我上周把我最喜欢的钢笔丢了。youdao

5·The company lost some money in the last quarter.

公司在上个季度损失了一些钱。youdao

6·He lost his chance to go abroad for further study.

他失去了出国深造的机会。youdao

7·They lost their luggage at the airport.

他们在机场把行李丢了。youdao

8·The child lost his toy in the playground.

孩子在操场上把玩具丢了。youdao

9·We lost our way in the forest but found it soon.

我们在森林里迷路了，但很快就找到了路。youdao

10·The old man lost his hearing gradually.

老人的听力逐渐丧失了。youdao

失去

1·She has lost none of her naivety.

她丝毫没有失去那份天真烂漫。《牛津词典》

2·By that time I had lost (all) interest in the idea.

那时我已经对此想法（完全）失去兴趣了。《牛津词典》

3·She cycled round the corner, lost her balance and fell off.

她骑车拐弯时失去平衡，摔了下来。《牛津词典》

4·Her ankle caught on a root, and she almost lost her balance.

她的脚踝绊到一个树根上，身体差点失去平衡。《柯林斯英汉双解大词典》

5·After all the delays, we were anxious to make up for lost time.

耽搁了这么久，我们急着想弥补失去的时间。《牛津词典》

失去了

1·He lost his leg when he was ten, but learned to overcome his handicap.

他10岁时失去了一条腿，但学会了战胜自己的残疾。《柯林斯英汉双解大词典》

2·She lost her job when the factory closed, along with hundreds of others.

工厂倒闭时，她和成百上千的其他人一样失去了工作。《牛津词典》

3·She lost a leg in a car crash.

她在一次车祸中失去了一条腿。《牛津词典》

4·He lost control of his car.

他失去了对他的车的控制。《柯林斯英汉双解大词典》

5·He lost his nerve at the last minute.

他在最后一刻失去了勇气。《牛津词典》

迷失

1·Statements like these will make you sound aimless and lost.

这样的陈述听起来会让人觉得你毫无目标、迷失方向。

2·What I want to read to you is this passage on page 7: I was lost in a fog of fear.

我想给大家念一下第七页的这段：我在充满恐惧的迷雾中迷失。

3·But are humans still at the creative core of the craft, or have we become lost in the shuffle?

但是人类仍然是工艺的创造核心还是说我们已经在混乱中迷失？

4·He is something of a lost soul, adrift in London, until he's introduced to Holmes.

他就像一个迷失的灵魂，飘荡在伦敦街头，直到他结识了福尔摩斯。

5·Once or twice under the foothills I glimpsed the mound of a kurgan, broken open like the lips of a volcano – the burial-place of a tribal chief, perhaps, or the milestone of some lost nomad advance.

在山麓小丘之下，我瞥见了一两个坟头，坟头已经裂开，样子与火山口相仿——也许，它是部落首领的埋葬之地，或者就是某个迷失的游牧开拓者的一座里程碑。

输了

1·Our team lost. It was a good game though.

我们队输了，可是这也不失为一场好球。《牛津词典》

2·We lost two or three early games but we bounced back.

我们之前输了两三场比赛，但又重新振作了起来。《柯林斯英汉双解大词典》

3·Although the team lost, they played with tremendous spirit.

尽管输了，但队员表现得极为勇猛。《牛津词典》

4·The Golden Bears have lost three games this season.

金熊队本赛季已输了3场比赛。《柯林斯英汉双解大词典》

5·We lost because we played badly. It's as simple as that.

我们输了是因为我们打得不好，原因就这么简单。《牛津词典》

遗失

1·The original manuscript has been lost.

原稿已经遗失。《牛津词典》

2·Your cheque must have got lost in the post.

你的支票一定是邮寄中遗失的。《牛津词典》

3·A reward will be paid to anyone who brings back the money that he lost.

凡能将他遗失的钱寻回者可得到酬金。《新英汉大辞典》

4·We may have lost some luggage so we'd like to make a lost luggage report.

我们可能遗失了几件行李，所以我们要填一份行李遗失报告。

5·They have chased down all possible clues but cannot find the lost girl.

他们已经找遍了一切可能的线索，但仍未找到这个遗失的女孩。

丢失了

1·The irony is lost in translation.

原文的反语用法在翻译中丢失了。《牛津词典》

2·The original interview notes were subsequently lost.

采访记录原稿后来丢失了。《牛津词典》

3·Vital evidence had been lost through a moment's inattention.

由于一时疏忽，关键证据已经丢失了。《柯林斯英汉双解大词典》

4·The little boy lost his toy car.

小男孩丢失了自己的玩具车。

5·Baby lion lost his teeth.

小狮子丢失了他的牙齿。

损失了

1·They lost $40 each.

他们每人损失了40元。《牛津词典》

2·Thousands of working days were lost through strikes last year.

去年因罢工损失了数以千计的工作日。《牛津词典》

3·The farm was flooded, with the result that most of the harvest was lost.

农场被淹，收成损失了一大半。《牛津词典》

4·He lost a huge sum of money.

他损失了一大笔钱。

5·On his second visit, he lost $800.

第二次去，他损失了800美元。

丧失了

1·I seem to have lost all my self-confidence.

我好像已经丧失了所有的自信。《柯林斯英汉双解大词典》

2·The 1990s was a period of disinflation, when companies lost much of their power to raise prices.

20世纪90年代是一段通货紧缩期，当时各公司大大丧失了他们的提价能力。《柯林斯英汉双解大词典》

3·Am I crazy? Have I lost my marbles?

我是疯了吗？还是我已经丧失了理性？

4·The ability to quickly thumb through pages is also lost.

快速浏览页面的能力也丧失了。

5·Much of the food value is lost in the animal's process of digestion and cell replacement.

食物的大部分价值在动物的消化和细胞替代过程中丧失了。

失败

1·When I lost, he commiserated with me.

我失败时，他同情我。《柯林斯英汉双解大词典》

2·Messengers brought news that the battle had been lost.

通信员送来消息说这场战斗失败了。《牛津词典》

3·Team a lost the first game.

甲队第一局失败了。《新英汉大辞典》

4·And what is happening there, and in Copenhagen, is important to us, because the battle against climate change will be won or lost in towns and cities.

在那里、在哥本哈根发生的事情对我们来说很重要，因为应对气候变化的战斗将在城镇中获胜或失败。

5·Sometimes they won and sometimes they lost - that's business.

有时他们胜利有时他们失败——这就是生意。

(1)lost in迷失于；迷恋

(1)get lost迷路；走开，滚开

(1)got lost迷路

(1)lost time浪费时间；失去时机；延误

(1)lost circulation井漏；循环液漏失

(1)lost out输掉