by yourself
英 /baɪ jɔːˈsɛlf/美 /baɪ jʊrˈsɛlf/
介词短语 / 副词短语
独自;靠自己;独立地;无人帮助
用法示例
- She traveled to Europe by herself last summer.去年夏天她独自去了欧洲旅行。
- You can't finish this project by yourself; you need a team.你一个人无法完成这个项目,你需要一个团队。
- He learned to play the piano by himself.他自学了弹钢琴。
- Please complete the assignment by yourself, without discussing with others.请独立完成作业,不要与他人讨论。
- The child was left by himself in the room.孩子被独自留在房间里。
- Did you paint the house by yourself or did you hire someone?这房子是你自己刷的,还是请人刷的?
含义详解
by yourself 的核心含义有两个:一是“独自,没有他人在场”,强调物理上的单独;二是“靠自己的力量,独立地”,强调不依赖他人帮助。这两个义项密切相关:从“独自一人”引申出“独立完成”,因为无人陪伴往往意味着必须自己动手。例如:She lives by herself.(她独自居住。)He fixed the car by himself.(他自己修好了车。)第一句侧重独处状态,第二句侧重独立完成。在具体语境中,两个含义可能重叠,如“You can't do it by yourself”既可指“你一个人做不了”,也可指“你独立做不了”。
词源解析
by yourself 由介词 by 和反身代词 yourself 构成。by 源自古英语 bī,意为“靠近、通过、凭借”,在表示方式时引申为“靠、通过”。yourself 由 your(你的)加 self(自己)构成,古英语中 self 即表示“自身”。整个短语字面意思为“凭借你自己”,后固化为“独自”或“独立”。记忆时可联想:by = 靠,yourself = 你自己,合起来就是“靠你自己”。
适用语境
by yourself 适用于多种语域。日常口语中常表示“独自”或“独立”,如“Did you go by yourself?”。学术写作中较少使用,但可出现在方法部分,如“Participants completed the task by themselves.”,强调独立完成。商务邮件中可用于询问或指示,如“Please review the document by yourself.”,语气直接但可能略显生硬。新闻报道中常用于描述事件,如“The suspect acted by himself.”。法律文本中较少见,因不够正式,通常用 alone 或 without assistance。文学作品中可用来刻画孤独或自立,如“She sat by herself in the corner.”。整体语气中性,具体含义依赖语境。
用法须知
by yourself 是介词短语,在句中作状语,修饰动词。它不用于名词前作定语。常见句型:主语 + 动词 + by yourself,如“You should try it by yourself.”。注意反身代词的单复数:by yourself 用于单数“你”,by yourselves 用于复数“你们”。易错点:不要与“by yourself”和“for yourself”混淆,后者意为“为你自己”,如“You should think for yourself.”(你应该自己思考)。另外,by yourself 不能直接作表语,如不能说“I am by yourself”,但可说“I am by myself”。
相似词辨析
by yourself 与 alone、on your own、solo 等近义。alone 强调客观独处,不含“独立完成”之意,如“She is alone.”(她独自一人。)on your own 与 by yourself 最接近,常可互换,但 on your own 更强调自立,如“You're on your own now.”(现在你得靠自己了。)solo 多作形容词或副词,强调单独行动,如“He flew solo.”(他单飞。)without help 则明确表示无帮助,如“He did it without help.”。选择时:若强调“独自一人”,用 alone;若强调“独立完成”,用 by yourself 或 on your own;若强调“无协助”,用 without help。
常见误区
by yourself 语域中性,口语和书面均可,但正式程度低于 independently 或 unaided。它不含褒贬,但有时可能暗示孤独或能力不足,如“Can you do it by yourself?”可能被理解为质疑对方能力。常见误用:一是混淆 by yourself 与 for yourself,后者意为“为自己”;二是错误搭配,如“by yourself alone”语义重复;三是在正式写作中过度使用,可改用 independently。此外,by yourself 不用于祈使句的否定形式“Don't by yourself”,应说“Don't do it by yourself.”。
常见搭配
- live by yourself
- do something by yourself
- go by yourself
- work by yourself
- sit by yourself
- travel by yourself
- by yourself
- all by yourself