1
cut something off
He cut off a piece of the cake.
他切掉了一块蛋糕。
切掉；剪掉；割掉
先理解核心含义，再看它在真实句子里的用法。
切掉；剪掉；割掉
to remove something by cutting it
He cut off a piece of the cake.
他切掉了一块蛋糕。
通过切割移除
To remove by cutting.
隔离或切断联系
To isolate or remove from contact.
停止提供某物,如电力、水
To stop the provision or supply of something, e.g. power, water.
使...不在视野内；遮挡
To exclude (something) from the field of view.
cut off
Base
原形
cuts off
3rd person
第三人称单数
cutting off
-ing
现在分词
cut off
Past
过去式
cut off
Past participle
过去分词
He cuts off the power every night.
他每晚切断电源。
They cut off the water supply yesterday.
他们昨天切断了供水。
The storm is cutting off our phone lines.
暴风雨正在切断我们的电话线。
短语动词，动词部分cut为不规则动词，过去式和过去分词与原形相同。
Please cut off the power before repairing the machine.
请在修理机器之前切断电源。
The storm cut off our phone line.
暴风雨切断了我们的电话线。
He was cut off from his family after the argument.
争吵后他与家人断绝了联系。
He cut off a piece of the cake.
他切掉了一块蛋糕。
The storm cut off the electricity supply.
暴风雨切断了电力供应。
Don't cut me off when I'm speaking.
我说话时别打断我。
The flood cut the village off from the rest of the country.
洪水使村庄与外界隔绝了。
Not this
I need to cut off it.
Use this
I need to cut it off.
当宾语是代词时，必须放在动词和介词之间（可分离短语动词的规则）。汉语中没有这种结构，学习者常把代词放在介词之后。
Not this
He cut off his parents.
Use this
He cut himself off from his parents.
表示‘断绝关系/隔离’时，需要加反身代词和介词from，否则可能被理解为物理切断或语义不完整。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
切断供给
The hurricane cut off the water supply to the city.
飓风切断了城市的供水。
断绝联系
She cut off all contact with her former friends.
她与以前的朋友断绝了一切联系。
切断电源
The storm cut off electricity to thousands of homes.
暴风雨切断了数千户家庭的电力。
砍掉某人的头
The executioner cut off the prisoner's head.
刽子手砍掉了囚犯的头。
断绝一切关系
He decided to cut off all ties with his past.
他决定与过去断绝一切关系。
切断资金
The government cut off funding for the project.
政府切断了该项目的资金。
因一时愤怒而做出对自己不利的事
She refused to accept the promotion just to annoy her boss, but she was cutting off her nose to spite her face.
她拒绝接受晋升只是为了惹恼老板，但她是在做对自己不利的事。
在途中拦截；阻止某事发生
The police cut off the escape route at the pass.
警察在隘口拦截了逃跑路线。
剥夺某人的继承权，不留给一分钱
The father cut off his son without a cent after the argument.
争吵后，父亲剥夺了儿子的继承权，一分钱也没留。
你被切断了。
The company decided to cut off funding for the project.
公司决定切断该项目的资金。
Use cut off naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象剪刀把一根线‘切’断（cut），线头‘掉’落（off），就是‘切断’。
多用于物理切断或抽象中断，语域中性，常见于日常对话和书面报道。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.