1 alone /əˈloʊn/ adjective Learner's definition of ALONE
not used before a noun
1
a : without anyone or anything else : not involving or including anyone or anything else : separate from other people or things独自；单独 -
I was all alone [=by myself] in the office yesterday.昨天我独自一人待在办公室。
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This wine goes well with food, but is also very good alone.这酒配菜喝很好，但是单饮也很不错。
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I got him alone and asked him what had really happened.我把他单独找来问他究竟发生了什么。
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She lived alone for many years.她独自生活了很多年。
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She doesn't mind being alone because she never feels lonely/lonesome.她不介意独自一人，因为她从不感觉孤单。
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He was alone with his thoughts.他独自陷入沉思。
b : without people that you know or that usually are with you无人陪伴；单独；独自 -
This is the first time the couple has been out alone together since the birth of their child. [=the first time they have gone somewhere without their child]自从他们的孩子出生后，这是这对夫妇第一次单独外出。
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He traveled alone [=by himself] to visit his grandparents when he was only seven.他只有七岁时就独自一人去探望祖父母了。
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She was nervous about being (all) alone in the city when she started her new job.刚开始新的工作时，她很担心独自一人在这个城市里。
◊ If you are not alone when you do something, you are not the only person who is doing it.并不孤单的；并非唯一的
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She's worried about losing her job, and she's not alone. [=other people are also worried about losing their jobs]她担心会丢掉工作，不过不是只有她一个人担心。
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He was not alone in calling for reform. Many people were demanding changes.他不是独自一人呼吁改革。很多人都在要求变革。
2
[more alone; most alone] : feeling unhappy because of being separated from other people孤单；寂寞 2 alone /əˈloʊn/ adverb
Learner's definition of ALONE
1
: without help from anyone or anything else独立地；独自地 -
She raised six children alone. [=on her own, by herself]她独自抚养了六个孩子。
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The police believe the criminal acted alone.警方认为罪犯是单独作案。
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Medication alone [=by itself] won't relieve the symptoms entirely.单凭用药不能完全缓解症状。
2
: without another仅仅；单独地；只—
used for emphasis用于强调 -
The proof rests on one witness's statement alone.这个证据仅以一个证人的叙述为依据。
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You alone [=only you] can decide what needs to be done. [=you are the only one who can decide]只有你能决定做什么。
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You alone are responsible. = The responsibility is yours alone.只有你应对此负责。
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The blame is mine and mine alone. [=I am the only one who should be blamed]责任都在我一个人身上。
3
: without including or needing anything more只；只是；单凭 -
You can't rely on your looks alone [=you can't rely just on your looks]; you'll need to work very hard.你不能仅靠自己的长相，你还需要很努力地工作。
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The price alone is enough to discourage people.单凭这价格就足以让人望而却步。
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The special effects alone make the movie worth seeing.单凭特效这部电影就值得一看。
go it alone
: to do something by yourself单干；独自干
leave (someone or something) alone
— see 1leave
leave well enough alone
— see 1leave