alone / lonely

1. alone 意为“单独的；独自的”， 作形容词时，一般与be动词连用，在句中作表语。

2. lonely 意为“孤单的；寂寞的”， 作形容词，在句中既可作定语，也可作表语。用作定语时，意为 “孤单的；偏僻的”。作表语时，意为 “孤独的，寂寞的”，带有浓厚的感情色彩。

全部

1·Exercising alone can be boring.

独自一个人锻炼可能会很无聊。《柯林斯英汉双解大词典》

2·He lived out his days alone.

他独自度过余生。《牛津词典》

3·Lions sometimes hunt alone.

狮子有时单独猎食。《牛津词典》

4·He dines alone most nights.

大多数晚上他都独自进餐。《柯林斯英汉双解大词典》

5·It was pleasant to be alone again.

又只剩下一个人了，真自在。《牛津词典》

6·I didn't like being alone at home.

我不喜欢独自在家。《柯林斯英汉双解大词典》

7·He felt unsafe and alone.

他感到又危险又孤单。《牛津词典》

8·Until now I have always lived alone.

直到现在，我一直独自生活。《牛津词典》

9·Pedro walked along the street alone.

佩德罗独自一人沿着这条街走。《柯林斯英汉双解大词典》

10·The assassin said he had acted alone.

暗杀者声称他是单独作案。《牛津词典》

独自

1·He dines alone most nights.

大多数晚上他都独自进餐。《柯林斯英汉双解大词典》

2·Until now I have always lived alone.

直到现在，我一直独自生活。《牛津词典》

3·He lived out his days alone.

他独自度过余生。《牛津词典》

4·They avoid going out alone after dark.

他们避免黄昏后独自出门。《柯林斯英汉双解大词典》

5·He lived alone, breeding horses and dogs.

他独自生活,养殖马和狗。《柯林斯英汉双解大词典》

单独

1·Lions sometimes hunt alone.

狮子有时单独猎食。《牛津词典》

2·The assassin said he had acted alone.

暗杀者声称他是单独作案。《牛津词典》

3·I don't like going out alone at night.

我不喜欢夜晚单独外出。《牛津词典》

4·He pointed out the dangers of driving alone.

他指出单独驾车的危险性。《牛津词典》

5·It was her first experience of living alone.

那是她第一次单独生活。《牛津词典》

仅仅

1·Yet virtually no providers of goods or services rely on this alone, but use paid advertising instead.

然而事实上，几乎没有任何商品或服务供应商仅仅依靠这一点，他们还会使用付费广告。

2·Yet virtually no providers of goods or services rely on this alone, which using paid advertising instead.

然而，几乎没有任何商品或服务的供应商仅仅依靠这一点，而是使用付费广告。

3·Human beings are immortal, not because he alone has a say in all things, but because he has a soul, a spirit of compassion, sacrifice, and endurance.

人类是不朽的，这不是因为万物当中仅仅他拥有发言权，而是因为他有一个灵魂，一种有同情心、牺牲精神和忍耐力的精神。

4·While studying endangered species may provide some insights to scientists, the cost of keeping these animals in existence can not be justified for research purposes alone.

虽然研究濒危物种可能为科学家提供一些领悟，但仅仅为了研究的目的而饲养这些动物的话，其饲养成本是不合理的。

5·He doubted drought alone would force Northlanders off their farms.

他怀疑仅仅干旱会迫使北国人离开他们的农场。

一人

1·The proprietress was alone in the bar.

女业主独自一人在酒吧里。《柯林斯英汉双解大词典》

2·He lives alone in a suspiciously tidy apartment.

他独自一人住在一套整洁得出奇的公寓里。《柯林斯英汉双解大词典》

3·He feared for his mother, left alone on the farm.

他为独自一人留在农场的母亲担忧。《牛津词典》

4·You can't blame anyone else; you alone made the decision.

你不能责怪任何人，是你一人作的决定。《牛津词典》

5·So they left her in the neat little house, alone with her memories.

因此他们把她留在那个整洁的小房子里，独自一人回忆往事。《柯林斯英汉双解大词典》

单

1·Since its launch in 2008 more than 4 million people have used it—2.5 million of them in 2012 alone.

自2008年推出以来，已有400多万人使用它——单是2012年就有250万人。

2·If breakfast alone isn't a guarantee of weight loss, why is there a link between obesity and breakfast-skipping?

如果单吃早餐并不能保证减肥，那为什么肥胖和不吃早餐之间存在联系？

3·Rachel Botsman, the author of a book on the subject, says the consumer peer-to-peer rental market alone is worth $26 billion.

瑞秋·博茨曼是这方面书籍的作者。她说，单是消费者中个人对个人的租赁市场就价值260亿美元。

4·One site alone, the Pentland Firth, between Orkney and mainland Scotland, could produce 10% of the country's electricity with banks of turbines under the sea.

单是位于奥克尼和苏格兰大陆之间的彭特兰湾发电站，就可以利用海底涡轮机产生10%的全国发电量。

5·Peter Calthorpe, tells Jared Green why city planners must think more about people, and technology alone won't solve our woes.

彼得·卡尔索普告诉贾里德·格林，为什么城市规划人员必须更多地考虑人，而单靠技术并不能解决我们的困境。

单单

1·Today, this country alone has nine hundred million people.

现在，单单这个国家人口就已达九亿之多。

2·In short, a dust-covered copy of War and Peace alone isn't going to influence anyone's grades; what counts is parents' education levels, as well as their genes.

简而言之，单单一本沾满灰尘的《战争与和平》不会影响任何人的成绩；更重要的是父母的教育水平，以及他们的基因。

3·This path is not paved by elections alone.

这条道路不单单是靠选举来铺就。

4·But he represents more than technical advance alone.

然而他所代表的不单单是技术进步。

5·Mr Whalen is not alone in wondering how the American economy will cope without a buoyant property market.

不单单是惠伦怀疑一个充满活力的房地产市场不存在时美国经济将如何应对。

独

1·The best does not come alone. It comes with the company of the all.

最好的东西不是独来的，它伴了所有的东西同来。

2·In terms of secondary offerings, Ping An is not alone.

在股票增发方面，平安保险并非独此一家。

3·Few of those left behind are home alone - most are left in the custody of grandparents - but the separation from their parents will inevitably affect their development in less-than-positive ways.

除了极少数独守家中，大部分留守儿童有他们的祖父母监护，但是远离父母仍将不可避免地对他们的成长产生诸多消极的影响。

4·Dumplings can be eaten either alone or in a soup.

饺子可以独吃或是和汤一起吃。

5·Civil-liberties campaigners argue that a judge sitting alone cannot be as representative of society as 12 people selected at random.

公民自由运动人士认为独审法官没有随机挑选的12人那样具有社会代表性。

(1)let alone更不必说；听任；不打扰

(1)all alone独立地，独自地

(1)stand alone孤立；独一无二

(1)alone with与…一起

(1)live alone独自生活；一个人住；单独居住

(1)left alone不干涉，不管；放开