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split up [noun phrase]
They split up the profits equally.
他们平均分了利润。
分开；分手；解散
先理解核心含义，再看它在真实句子里的用法。
分开；分手；解散
to separate from a group or end a relationship; to cause something to come apart
They split up the profits equally.
他们平均分了利润。
分开,解散
Cease to be together, break apart from the group.
分离,脱离,使分开
separate, disassociate, cause to come apart.
split up
Base
原形
splits up
3rd person
第三人称单数
splitting up
-ing
现在分词
split up
Past
过去式
split up
Past participle
过去分词
They split up into small groups.
他们分成小组。
The couple split up last year.
那对夫妻去年分手了。
We are splitting up the work.
我们正在分工。
短语动词，split为不规则动词
The tour group split up at the museum entrance so everyone could look at different exhibits.
旅行团在博物馆入口处分开了，这样每个人都能看不同的展品。
They split up after ten years together and now live in different cities.
他们在一起十年后分手了，现在住在不同的城市。
The teacher split the class up into four teams for the game.
老师把全班分成四组做游戏。
They split up the profits equally.
他们平均分了利润。
split up 是短语动词，名词可放在两词之间。
We split the class up into small groups.
我们把班级分成几个小组。
split up 表示断绝关系时，常与 with 连用。
He split up with his girlfriend last month.
他上个月和女朋友分手了。
Not this
We split up the project in three parts.
Use this
We split up the project into three parts.
在表示“分成若干部分”时，介词必须用 into，表示进入各个部分；in 只能表示“在……之内”，无法传达“分解成部分”的动态含义。
Not this
The teacher split the class into three groups.
Use this
The teacher split up the class into three groups.
split 单独使用时，常指“劈开、切开”，而 split up 作为短语动词，才表示“分成若干小部分”或“分组”。在分组语境中，遗漏 up 会使语义不完整或偏误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
与…分手
She split up with her boyfriend last week.
她上周和男朋友分手了。
分成（若干部分）
The class split up into small groups for discussion.
班级分成小组进行讨论。
分担工作
Let's split up the work so we can finish faster.
我们分担工作吧，这样能更快完成。
拆分公司
The board decided to split up the company into two separate entities.
董事会决定将公司拆分为两个独立实体。
解散组织
The committee voted to split up the organization due to internal conflicts.
由于内部冲突，委员会投票决定解散该组织。
终止合作关系
They agreed to split up the partnership amicably.
他们友好地同意终止合作关系。
断绝关系；分手
They decided to split up after five years of marriage.
结婚五年后，他们决定分手。
分成若干小部分
The class split up into four groups for the project.
班级为了这个项目分成了四个小组。
于是我们分手了。
Ross told his friends about his divorce: 'So we split up.'
罗斯告诉朋友们他的离婚消息：“于是我们分手了。”
我们应该分头找线索。
In the movie Scooby-Doo, the gang often says, 'We should split up and look for clues.'
在电影《史酷比》中，团队经常说：“我们应该分头找线索。”
Use split up naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象把一张纸撕成两半，就是‘split up’（分开）。
语域：informal 常见场景：人际关系的终结、物品或团体的分割 “split up”多用于非正式场合，表示分手或分开，常见于日常对话。
可作及物和不及物动词；及物时，宾语可置于split和up之间或up之后；不及物时常用split up with sb. 表示分手。
Dictionary facts from ECDICT, WIKTIONARY.