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go to rehab
go to rehab 是固定搭配，表示去接受康复治疗；rehab 前通常不加冠词。
After years of addiction, she finally decided to go to rehab.
在成瘾多年之后，她终于决定去接受康复治疗。
修复
先理解核心含义，再看它在真实句子里的用法。
修复
rehabilitation
After years of addiction, she finally decided to go to rehab.
在成瘾多年之后，她终于决定去接受康复治疗。
消防员在火场短暂休息以恢复体力的时间。
A brief period of time spent away from the fire by a firefighter at a fire scene, for purposes of recuperation.
After the flood, the community center was closed for a full rehab that took six months.
洪水过后，社区中心关闭了整整六个月以进行全面整修。
The house had been neglected for years, so it needed a complete rehab before anyone could live in it.
这栋房子多年来无人照管，因此在有人入住之前需要进行一次彻底的翻修。
They hired a contractor to do the rehab on their kitchen, and the work should be done by Friday.
他们雇了一位承包商来翻修厨房，工程应该在周五前完成。
go to rehab 是固定搭配，表示去接受康复治疗；rehab 前通常不加冠词。
After years of addiction, she finally decided to go to rehab.
在成瘾多年之后，她终于决定去接受康复治疗。
be in rehab 表示正处于康复治疗期间。
He is currently in rehab for a knee injury.
他目前正在接受膝盖损伤的康复治疗。
undergo rehab 表示经历并完成一个康复治疗过程。
She underwent rehab to recover her strength.
她接受了康复治疗以恢复体力。
Not this
My car needs rehab.
Use this
My car needs repair.
rehab（本义“康复治疗/修复”）不用于一般物品维修；中文“修复”范围大，但英语中修车、修手机等要用 repair。
Not this
He is under rehab for alcohol addiction.
Use this
He is in rehab for alcohol addiction.
表示“正在接受康复治疗”用固定搭配 in rehab；under 通常接 treatment、care 等，不能接 rehab。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
去接受康复治疗
After years of addiction, he finally decided to go to rehab.
在成瘾多年后，他终于决定去接受康复治疗。
戒毒治疗
She works at a drug rehab center.
她在一家戒毒治疗中心工作。
康复计划
The rehab program lasts for six weeks.
这个康复计划为期六周。
康复中心
He was admitted to a rehab center.
他被收治进了一家康复中心。
正在接受康复治疗
Her favorite singer is currently in rehab.
她最喜欢的歌手目前正在接受康复治疗。
戒瘾诊所
The rehab clinic offers both detox and therapy.
这家戒瘾诊所提供脱瘾治疗和心理辅导。
去接受康复治疗（常指戒酒或戒毒）
After his second arrest, the singer finally went to rehab.
第二次被捕后，这位歌手终于去接受康复治疗了。
住进康复中心接受治疗
She checked into rehab last month to deal with her addiction.
她上个月住进康复中心治疗毒瘾。
正在接受康复治疗
He has been in rehab for six weeks and is doing well.
他已经在康复中心治疗了六周，情况不错。
他们想让我去戒瘾康复中心，我说：不不不。
Amy Winehouse's song 'Rehab' is about refusing to go to rehab, and it became a worldwide hit in 2006.
艾米·怀恩豪斯的歌曲《Rehab》唱的是拒绝去戒瘾康复中心，这首歌在2006年红遍全球。
宝贝，我正在戒瘾治疗中，而我在想你，想你。
Rihanna's song 'Rehab' uses the word 'rehab' to describe getting over a broken heart.
蕾哈娜的歌曲《Rehab》用'rehab'一词来描述从失恋中恢复。
Use rehab naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记 rehab：re(重新)+hab(habit 的开头)，把坏习惯重新修复，回归健康。
语域：informal 常见场景：康复治疗、非正式交谈 rehab 是 rehabilitation 的非正式缩写，通常用于口语或非正式场合，比较常见于谈论康复治疗或修复过程。正式写作中建议使用完整形式 rehabilitation。
rehab 是 rehabilitation 的缩略形式；rehabs 常指具体的康复机构或项目，而抽象意义“康复/修复”通常用不可数名词 rehabilitation。
Dictionary facts from ECDICT, WIKTIONARY.