lose + noun phrase
I lost my keys.
我丢了钥匙。
失去；丢失；弄丢
loses — third person singular of lose
输；输掉；失败；失去（某人）；痛失；看不见；忽略；失去(某物)或丧失(能力)。；走离,错过而找不到,迷失。
fail to keep or maintain; cease to have something
失去(某物)或丧失(能力)。
To cease to have (something) in one's possession or capability.
走离,错过而找不到,迷失。
To wander from; to miss, so as not to be able to find; to go astray from.
在比赛、竞争、审判等中落败。
To become a defeated competitor in (a game, competition, trial, etc).
(在游戏、竞赛、比赛等中)失败。
To be defeated (in a game, competition, contest, etc.)
无法再跟上或追踪(某人或某物)。
To be unable to follow or trace (somebody or something) any longer.
使(某人)无法再跟上或追踪自己。
To cause (somebody) to be unable to follow or trace one any longer.
不再表现出；克服(某种行为或情绪)。
To cease exhibiting; to overcome (a behavior or emotion).
(时钟)走得比预期慢。
Of a clock, to run slower than expected.
未能用头脑或感官捕捉到,漏掉,错过。
To fail to catch with the mind or senses; to miss.
一般现在时
I lose my keys often.
我经常丢钥匙。
一般过去时
She lost the game yesterday.
她昨天输了比赛。
现在完成时
He has lost his wallet.
他丢了钱包。
I always lose my keys when I am in a hurry.
我匆忙的时候总是弄丢钥匙。
用法提示：lose 作及物动词，表示'弄丢；丢失'。
She lost her phone at the beach yesterday.
她昨天在海滩上弄丢了手机。
用法提示：lost 是 lose 的过去式，表示'丢失'。
If you don't want to lose your job, please arrive on time.
如果你不想失去工作，请准时到达。
用法提示：lose 后接抽象名词，表示'失去'。
I lost my keys.
我丢了钥匙。
用于比赛或竞争中失败。
Our team lost to theirs.
我们队输给了他们。
表示失去某物，被另一方获得。
He lost his job to a machine.
他把工作输给了机器。
常用于日常物品，不能用于抽象失去
较正式，常用于书面语；不能用于输掉比赛或失去生命
grammar · medium
易错句子I loose my keys often.
正确表达I lose my keys often.
Loose 是形容词，意为‘松的’，而 lose 是动词，意为‘丢失’。应将 loose 改为 lose。
grammar · medium
易错句子It was a big lose for the team.
正确表达It was a big loss for the team.
Lose 是动词，名词形式为 loss。表示‘损失’时应使用 loss。
拼写与发音相似，但词性不同：lose是动词，loose是形容词或动词；意义不同：lose表示丢失或输掉，loose表示不紧或不牢固。
词性不同：lose是动词，loss是名词；用法不同：lose后接失去的事物，loss常作为主语或宾语。
减肥
She is trying to lose weight by exercising.
她正试图通过锻炼来减肥。
亏钱
The company lost money last year.
这家公司去年亏钱了。
输掉比赛
They lost the game by one point.
他们以一分之差输掉了比赛。
发脾气
He lost his temper when the news came.
当消息传来时，他发火了。
看不见；忽略
We must not lose sight of our goal.
我们决不能忽略我们的目标。
失去联系
I lost touch with my old friends.
我和老朋友们失去了联系。
丢面子
He was afraid of losing face in front of his colleagues.
他害怕在同事面前丢面子。
灰心
Don't lose heart; you will succeed eventually.
别灰心，你最终会成功的。
发脾气
She lost her temper when she heard the news.
她听到消息时发了脾气。
我不会输。
The famous lyric from Queen's 'We Are the Champions' says 'I ain't gonna lose.'
皇后乐队《我们是冠军》中的著名歌词说‘我不会输。’
明亮的眼睛，充实的心灵，不会输。
The motto from 'Friday Night Lights' is 'Clear eyes, full hearts, can't lose.'
《胜利之光》中的座右铭是‘明亮的眼睛，充实的心灵，不会输。’
Dictionary facts from ECDICT, WIKTIONARY.