1
shack up (with sb) (in/at [place])
shack up 是非正式表达，常指未婚伴侣同居；with 后接人，in/at 后接地点。
She's shacking up with her boyfriend in a tiny flat.
她和男朋友住在一套很小的公寓里。
居住；安家；（与某人）同居
shacking — present participle of shack
先理解核心含义，再看它在真实句子里的用法。
居住；安家；（与某人）同居
to live somewhere; to make one's home in a place
She's shacking up with her boyfriend in a tiny flat.
她和男朋友住在一套很小的公寓里。
居住(在某处或与某人一起)；同居。
To live (in or with); to shack up.
在某个地方或社区安家
make one's home in a particular place or community
拖拉或缓慢地移动、行进或走路
move, proceed, or walk draggingly or slowly
shack
Base
原形
shacks
3rd person
第三人称单数
shacking
-ing
现在分词
shacked
Past
过去式
shacked
Past participle
过去分词
He shacks with his brother near campus.
他和哥哥住在校园附近。
They are shacking with friends in London.
他们正暂住在伦敦的朋友家里。
Last winter we shacked with local farmers.
去年冬天我们暂住在当地农民家里。
shack 作动词常指临时居住或同居；规则变化为 shacked/shacking。
While the house was being repaired, we shacked up in a small apartment across the street.
房子维修期间，我们住在街对面的一间小公寓里。
They have shacked up in the mountain village every winter for the past five years.
过去五年来，他们每年冬天都住在那个山村。
For the summer, the students are shacking up in an old dormitory near the beach.
暑假期间，学生们住在海滩附近的一栋旧宿舍楼里。
shack up 是非正式表达，常指未婚伴侣同居；with 后接人，in/at 后接地点。
She's shacking up with her boyfriend in a tiny flat.
她和男朋友住在一套很小的公寓里。
这个义项较少见，表示拖着脚步、缓慢地移动，后常接方向状语。
The old man shacked along the street.
老人拖着脚步走在街上。
Not this
During the summer, we shacked a small cabin by the lake.
Use this
During the summer, we shacked in a small cabin by the lake.
shack作动词表示“居住”时是不及物动词，后面不能直接跟宾语，需要加介词in（或with）引出地点或对象。
Not this
They shacked up each other after college.
Use this
They shacked up with each other after college.
短语动词shack up表示“同居”时，该结构为shack up with someone，with不能省略，否则句子缺少介词且意思不完整。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
同居
They decided to shack up after dating for a year.
他们约会一年后决定同居。
与…同居
She shacked up with a colleague she met at work.
她和一位在工作中认识的同事同居了。
暂住在；在…安身
We shacked up in a friend's spare room while we looked for an apartment.
我们找公寓期间暂住在朋友家的空房间里。
未婚同居；同居
They're planning to shack up next month.
他们打算下个月同居。
与…未婚同居；与…同居
He shacked up with a woman he met at work.
他和一个工作中认识的女人同居了。
同居吧，同居吧，我们同居吧。
The 1975 funk hit "Shack Up" by Banbarra turned the verb "shack up" into a dance-floor chant.
这首1975年Banbarra的放克金曲《Shack Up》让动词短语“shack up”成为舞池中的齐声呐喊。
Use shacking naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：shack up（同居）就是一起搭个小窝；shack 作动词便指居住、安家，还引申出慢吞吞地走。
语域：informal 常见场景：informal conversation、casual writing、talking about living arrangements shack 作动词表示“居住/同居”时多用于口语，常与 up 连用（shack up），指与某人一起住在某处或未婚同居。比较常见于非正式场合，如朋友聊天、轻松的文章；正式文体中建议改用 live together 或 stay。
常用搭配为短语 shack up（同居）；shack up with sb 表示“与某人同居”。另可表示“缓慢拖沓地移动”。
Dictionary facts from ECDICT, WIKTIONARY.