1
be alone
She wants to be alone.
她想一个人待着。
独自；单独
先理解核心含义，再看它在真实句子里的用法。
独自；单独
Without other people; by oneself.
She wants to be alone.
她想一个人待着。
独自的,孤单的
By oneself, solitary.
孤立的
isolated from others
缺乏志同道合者
Lacking peers who share one's beliefs, experiences, practices, etc.
缺少同伴或陪伴的
lacking companions or companionship
He felt alone even when surrounded by people.
他即使在人群中仍然感到孤独。
AI contextual example
She was alone in the house at night.
她晚上独自一人在房子里。
AI contextual example
It's a lonely job, but he doesn't mind being alone.
这是一份孤独的工作，但他不介意独自一人。
AI contextual example
could be alone in a crowded room
在拥挤的房间里也可能感到孤独
WordNet
She wants to be alone.
她想一个人待着。
这里的意思是‘不打扰、不干涉’，不是‘让某人独自留下’。
Please leave me alone.
请别打扰我。
Even in a crowd, he felt alone.
即使身处人群，他也感到孤独。
‘all’加强语气，表示‘完全独自’。
He was all alone in the house.
他独自一人在房子里。
Not this
I feel alone when my friends leave.
Use this
I feel lonely when my friends leave.
在英语中，alone 仅表示“独自一人”的客观状态，而 lonely 表示“感到孤独”的情感。当表达主观情感时，应使用 lonely。
Not this
He is alone son in his family.
Use this
He is the only son in his family.
alone 表示“独自的”，不能用于修饰名词表示“唯一的”。表示“唯一的”应使用 only 或 single。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
独自一人；孤身一人
After his wife died, he was all alone.
妻子去世后，他独自一人。
感到孤独
Even in a crowd, she felt alone.
即使在人群中，她也感到孤独。
独自生活
He has lived alone since he was twenty.
他从二十岁起就独自生活。
独自站立；独一无二
The house stood alone on the hill.
那座房子孤零零地矗立在小山上。
完全独自一人
After the argument, he felt completely alone.
争吵之后，他感到完全孤独。
世上孤身一人
He was alone in the world, with no family or friends.
他在世上孤身一人，没有家人或朋友。
不要多管闲事；维持现状就好
I decided to leave well enough alone and not change anything.
我决定维持现状，不做任何改变。
更不用说
He can't afford a car, let alone a house.
他连车都买不起，更不用说房子了。
独自行动；单干
She decided to go it alone and start her own business.
她决定单干，创办自己的企业。
我想一个人待着。
Greta Garbo famously said 'I want to be alone' in the film Grand Hotel.
葛丽泰·嘉宝在电影《大饭店》中说过这句著名台词。
你并不孤单。
Michael Jackson's song 'You Are Not Alone' was a global hit.
迈克尔·杰克逊的歌曲《You Are Not Alone》是全球热门歌曲。
Use alone naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
“a lone”组合成alone，想象一个孤独的人独自站着，就是“独自的”。
通常用于中性语境，表示独自或孤单的状态，常见于日常对话、文学描述及自我反思等场景。
不能用在名词前作定语（如不说 an alone boy），常作表语或后置定语。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.