1
be attached to sth
表示物理连接或附着状态。
The label is attached to the box.
标签贴在盒子上。
连接的；附着的
先理解核心含义，再看它在真实句子里的用法。
连接的；附着的
Connected or joined.
The label is attached to the box.
标签贴在盒子上。
连接的；结合的。
Connected; joined.
喜爱的(与to连用)。
Fond of (used with to).
随通信(尤其是电子邮件或其他电子通信)附带的附件。
Included as an attachment with a communication (especially an email or other electronic communication).
处于恋爱或性关系中。
In a romantic or sexual relationship.
The dog is very attached to its owner and follows him everywhere.
这只狗非常依恋它的主人，到处跟着他。
They live in an attached house, so they share a wall with their neighbors.
他们住在一栋联排房屋里，所以与邻居共用一堵墙。
She became attached to the stray cat and decided to adopt it.
她对那只流浪猫产生了感情，决定收养它。
表示物理连接或附着状态。
The label is attached to the box.
标签贴在盒子上。
表示情感上的依恋，常用 become/grow attached to 表示逐渐产生感情。
The child quickly became attached to the puppy.
孩子很快就喜欢上了这只小狗。
在电子邮件或通信中，attached 常放在名词前作定语，如 attached file/document。
Please check the attached file.
请查看附件。
口语中 be attached 表示“有伴侣”，只作表语。
Is she currently attached?
她目前有对象吗？
Not this
She is very attached with her family.
Use this
She is very attached to her family.
表示“依恋、喜爱”时，attached 必须与介词 to 搭配（be attached to），不能用 with；with 表示“和……一起/用”，无法表达依恋关系。
Not this
Please check the attach file.
Use this
Please check the attached file.
attached 是形容词“附上的”，修饰名词时用 -ed 形式；attach 是动词，不能直接放在名词前作定语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
附件
The attached file contains the full report.
附件中包含完整的报告。
相连的车库
The house has an attached garage.
这栋房子有一个相连的车库。
相连的浴室
The master bedroom has an attached bathroom.
主卧室有一间相连的浴室。
形影不离
The two friends are attached at the hip.
这两个朋友形影不离。
依恋；喜爱
She is very attached to her childhood toys.
她非常依恋自己童年的玩具。
固定在墙上
The fire extinguisher is attached to the wall.
灭火器固定在墙上。
形影不离的；老在一起的
Those two have been attached at the hip since college.
那两个人从大学起就一直形影不离。
无附加条件的；不带任何附带条件
The scholarship was awarded with no strings attached.
这份奖学金是无条件授予的。
依恋某人；对某人产生好感
She became very attached to her host family.
她变得非常依恋她的寄宿家庭。
没有附加条件，不带牵绊。（常形容不求承诺的恋爱或合作，2011年有同名电影）
They entered the relationship without any strings attached.
他们开始了这段关系，没有任何附加条件。
Use attached naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 attach（贴）想成贴纸粘住，加 -ed 就是“被粘住的”，邮件附件是粘在信上的，心里粘着某人就是依恋。
语域：mixed 常见场景：email、everyday conversation、formal writing attached 的含义随语境而变：通常多用于邮件中表示“附上”，也常用于情感依恋或物理连接；语域整体中性，但“恋爱/已婚”义项在口语中较随意。
通常与介词 to 搭配
Dictionary facts from ECDICT, WIKTIONARY.