C1 Prepositions 13 min read 中等

短语动词: 'Cut down on' (减少习惯)

想要像母语者一样聊“节制”或“减量”？用 cut down on 就对了，它是你管理生活习惯的“减法”神器。
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Grammar Rule in 30 Seconds

Use 'cut down on' to describe reducing the amount or frequency of a habit, expense, or consumption without stopping it entirely.

  • Always use 'on' before the object (e.g., 'cut down on sugar').
  • It is inseparable; you cannot put the object between the words.
  • The verb 'cut' is irregular: cut (present), cut (past), cut (past participle).
Subject + cut (conjugated) + down + on + 📉 Object

Overview

### 概述
Cut down on 这个短语动词（phrasal verb）在英语中非常常用，它的核心意思是‘有意识地、逐渐地减少’某种习惯、消费或活动。对于 C1 级别的学习者来说，掌握它至关重要，因为它能让你非常精准地表达‘适度’和‘自我调节’的概念。它暗示的是一个渐进的减少过程，而不是突然停止，这一点与 stop（停止）或 give up（放弃）有显著区别。从词源上看，cut 意为‘切、削减’，down 提供了‘向下、减少’的方向感，而关键的介词 on 则将这种‘削减’的行为直接连接到被限制的具体对象或活动上，明确了削减的目标。熟练运用 cut down on，能让你以地道、精确的方式谈论个人或集体为了更健康、更负责任的生活方式所做的努力。
### How This Grammar Works
Cut down on 是一个及物短语动词，这意味着它后面必须跟一个直接宾语。这个宾语就是你打算减少数量或频率的具体事物或活动。整个短语由核心动词 cut、副词性助词 down 和介词 on 组成。每个部分都为‘适度减少’这个核心含义贡献了一份力量。
  • cut: 提供‘切断、削弱’的动作。
  • down: 加强了‘降低到某个较低水平’的减少意味。
  • on: 这是最关键的部分，它建立了‘减少’与‘被减少的对象’之间的联系。没有 on，意思就完全不同了。例如，cut down 本身可以指‘砍倒（树木）’或‘削减（数量/规模）’，但不能特指‘减少某个习惯或消费’。
on 后面的宾语，通常是我们正在减少其摄入、使用或参与频率的事物。
重要的一点是： 你不能 cut down on 那些不可量化、不可消耗或非持续性活动的概念。例如，你可以说 I need to cut down on my sugar intake（我需要减少糖的摄入量），这里的 sugar intake 是可量化的。但你不能说 I need to cut down on my happiness（我需要减少我的快乐），因为快乐不是一个可以按量减少的东西。
### Formation Pattern
Cut down on 的构成模式非常固定和简单。它需要一个主语，接着是动词 cut（请注意，cut 的过去式和过去分词形式仍然是 cut），然后是助词 down，介词 on，最后是宾语。
模式： 主语 + cut (根据时态变化) + down + on + 宾语 (名词短语 / 动名词短语)
| 组成部分 | 描述 | 示例 |
| :---------- | :----------------------------------------------------------------- | :-------------------------------------------------------------------------------------------------- |
| 主语 | 执行减少动作的人或实体。 | I, She, The company, Many people |
| 动词 | cut。注意其不规则变化。 | cut (现在时), cut (过去式), cut (过去分词) |
| 助词 | down。表示减少。 | down |
| 介词 | on。连接被减少的对象。 | on |
| 宾语 | 被减少的事物。可以是名词或动名词（动词的 -ing 形式）。 | coffee, expenses, smoking, checking social media |
具体示例：
  • We should cut down on single-use plastics to protect the environment.
（我们应该减少一次性塑料的使用，以保护环境。）
*宾语是名词短语 single-use plastics。*
  • After gaining some weight, he decided to cut down on eating out so frequently.
（体重增加后，他决定减少在外就餐的频率。）
*宾语是动名词短语 eating out。*
  • The report suggested that organizations cut down on unnecessary administrative tasks to improve efficiency.
（报告建议组织减少不必要的行政任务，以提高效率。）
*宾语是名词短语 unnecessary administrative tasks。*
关于 cut 的时态变化：
cut 是一个不规则动词，它的现在时、过去式和过去分词形式都是 cut。这在某种程度上简化了动词变位，但需要根据上下文来判断具体时态。
  • Yesterday, I cut down on caffeine. （昨天，我减少了咖啡因摄入。）—— 这里是过去式。
  • I usually cut down on caffeine during exams. （我通常在考试期间会减少咖啡因摄入。）—— 这里是现在时。
这种形式上的不变，需要我们更依赖时间状语（如 yesterday, usually）来理解句子的实际含义。
### When To Use It
Cut down on 最适合用在有意识的、通常是渐进的减少某个可量化的习惯、消费或重复性活动的情境中。它暗示着一种追求‘适度’的努力，通常是出于健康、经济、环保或提高效率等原因。这个短语在非正式到半正式的语境中，讨论个人选择和生活方式调整时，尤为自然和贴切。
  • 健康与生活方式 (Health and Lifestyle):
这是最常见的用法。当你谈论减少不健康食物的摄入、减少某些物质（如烟酒）的使用、或是减少久坐不动的时间时，就会用到它。
  • My doctor advised me to cut down on red meat for heart health.
（我的医生建议我减少红肉摄入，以保护心脏健康。）
  • She's attempting to cut down on her screen time, especially before bed, to improve sleep quality.
（她正试图减少屏幕使用时间，尤其是在睡前，以提高睡眠质量。）
  • 财务管理 (Financial Management):
当讨论通过减少开支来存钱的策略时，cut down on 是一个非常自然的表达。
  • To afford the new apartment, we seriously need to cut down on discretionary spending.
（为了负担得起新公寓，我们真的需要削减可自由支配的开支。）
  • The company plans to cut down on travel expenses by utilizing more video conferencing.
（公司计划通过更多地使用视频会议来削减差旅费用。）
  • 时间和效率 (Time and Productivity):
虽然不如健康和财务领域常见，但它也可以用来表示减少在效率不高的事情上花费的时间，以便腾出时间做更有价值的事情。
  • I resolved to cut down on late-night gaming sessions to focus more on my studies.
（我下定决心要减少深夜玩游戏的时间，以便更专注于学习。）
  • 环保责任 (Environmental Responsibility):
在讨论可持续性时，cut down on 能有效地传达减少对环境产生影响的消费行为的努力。
  • Many consumers are striving to cut down on their plastic waste by reusing bags and containers.
（许多消费者正努力通过重复使用袋子和容器来减少他们的塑料垃圾。）
这个短语微妙地传达了一种‘致力于改变’的承诺，但并不暗示立即或完全停止，这使得它在关于持续自我改进或政策调整的讨论中，成为一个非常务实的选择。例如，说 I'm cutting down on sugar 暗示的是一个持续的过程，而不是突然的、绝对的戒绝，这更符合人们改变习惯的现实方式。
### When Not To Use It
了解何时不使用 cut down on 和了解何时使用它一样重要，特别是对于希望在英语表达上更上一层楼的高阶学习者而言。
  • 高度正式或学术写作 (Highly Formal or Academic Writing):
在正式报告、学术论文或官方文件中，cut down on 可能会显得不够正式。此时，使用更简洁、更具权威性的单语动词会更好。
  • 避免使用: The university should cut down on administrative overhead.
（大学应该削减行政开销。）
  • 更优选择: The university should reduce administrative overhead. （减少）或 The university should curtail administrative overhead. （缩减，更正式）。
  • 一次性或非重复性动作 (One-Time or Non-Repeated Actions):
Cut down on 适用于习惯性的或反复发生的活动/消费。对于单次发生的事件或不属于持续模式的动作，使用它是不恰当的。
  • 错误用法: I need to cut down on watching that specific movie. （我需要减少看那部特定电影的次数。）—— 这种情况下，你只会说 avoid（避免）或 stop watching（停止观看）。
  • 正确用法: I need to cut down on watching movies every night. （我需要减少每晚看电影的次数。）—— 这里暗含了‘每晚看电影’是一个习惯性活动。
  • 不可逆或不可量化的概念 (Irreversible or Non-Quantifiable Concepts):
你不能 cut down on 像 happiness（快乐）、memories（回忆）或 past events（过去事件）这样的抽象概念，因为它们不是可以逐渐减少的数量或频率。它必须指向一个可以被衡量或被反复进行的具体事物或行为。
  • 错误用法: She tries to cut down on her sadness. （她试图减少她的悲伤。）
  • 正确用法: She tries to cut down on activities that make her sad. （她试图减少那些让她感到悲伤的活动。）
  • 直接针对物理、固定不变的物体 (Direct Reduction of Physical, Immovable Objects):
虽然你可以 cut down on buying（减少购买）某个物品，但你不能直接说 cut down on 物品本身。这种用法暗含的是减少‘购买行为’或‘拥有量’，而不是指物理上的切割。
  • 错误用法: They want to cut down on their furniture. （他们想减少他们的家具。）—— 这说法很奇怪。
  • 正确用法: They want to cut down on buying new furniture. （他们想减少购买新家具。）或者 They want to reduce the amount of furniture they own. （他们想减少他们拥有的家具数量。）—— 使用了不同的动词。
这些区分对于在高级英语交流中保持准确性和恰当的语域至关重要。
### Common Mistakes
高阶学习者在使用 cut down on 时，常常会犯一些特定的错误，主要包括遗漏介词 on、混淆 cut down（无 on）和 cut down on，以及将它误用于不恰当的宾语。
  1. 1遗漏介词 on (Omitting on):
这是最常见的错误。说 I need to cut down sugar 改变了句子的意思，听起来像是用刀子真的去‘切’糖。介词 on 对于传达‘减少习惯或消费’的含义是必不可少的。
  • 错误: The nutritionist advised her to cut down unhealthy fats.
（营养师建议她减少不健康的脂肪。）
  • 正确: The nutritionist advised her to cut down on unhealthy fats.
（营养师建议她减少不健康的脂肪摄入。）
  • 错误: He wants to cut down expenses.
（他想削减开支。）
  • 正确: He wants to cut down on expenses.
（他想削减开支。）
  1. 1混淆 cut down (无 on) 与 cut down on:
没有 on 的 cut down，可以表示‘砍倒（树木）’，或者更普遍地‘减少数量或规模’，常常带有‘消除’或‘大幅度减少’的意味，但它不特指减少个人习惯或消费。
  • They cut down three old trees in the park. （他们在公园砍倒了三棵老树。）—— 指物理上的砍伐。
  • The company cut down the number of available positions. （公司削减了可提供的职位数量。）—— 指一般性的数量减少。
  • 这两种用法都不同于 I need to cut down on eating sweets. （我需要减少吃甜食。）
这种混淆源于两者都包含‘减少’的意思，但具体对象和语境截然不同。
  1. 1使用不恰当的宾语 (Using an Inappropriate Object):
如前所述，cut down on 要求宾语代表一个习惯、消费或重复性活动。使用抽象的、不可量化的概念或单次发生的事件是常见的误用。
  • 错误: She needs to cut down on her anger. （她需要减少她的愤怒。）—— 你不能像减少数量一样减少愤怒；你应该‘管理’或‘控制’它。
  • 正确: She needs to cut down on yelling when she's angry. （她需要减少生气时大喊大叫的行为。）
清楚这些陷阱，能帮助你更准确、更地道地使用这个常用的短语动词。
### Common Collocations
Cut down on 经常与特定的名词和动名词搭配使用，形成非常自然的组合，这些组合反映了它在讨论适度和生活方式改变时的常见用法。这些搭配标志着母语者使用这个短语的典型语境。
  • 食物与饮品 (Food and Drink):
  • cut down on sugar / sweets / desserts （减少糖/甜食/甜点的摄入）
  • cut down on processed foods / junk food / fast food （减少加工食品/垃圾食品/快餐的摄入）
  • cut down on caffeine / coffee / energy drinks （减少咖啡因/咖啡/能量饮料的摄入）
  • cut down on alcohol / smoking / vaping （减少酒精/吸烟/电子烟的使用）
  • cut down on meat / dairy （减少肉类/乳制品摄入 - 通常出于健康或伦理原因）
  • 财务方面 (Finances):
  • cut down on expenses / spending / debt （减少开支/消费/债务）
  • cut down on unnecessary purchases （减少不必要的购买）
  • 媒体与屏幕时间 (Media and Screen Time):
  • cut down on screen time / social media / Netflix / gaming （减少屏幕时间/社交媒体/Netflix/游戏时间）
  • cut down on watching TV / browsing the internet （减少看电视/浏览网页的时间）
  • 工作与事务 (Work and Commitments):
  • cut down on work hours / overtime / commitments （减少工作时间/加班/事务）
  • cut down on stress （通过减少压力源来减少压力）
  • 其他习惯 (Other Habits):
  • cut down on driving （减少开车 - 为了省油或减少环境影响）
  • cut down on waste / single-use plastics （减少浪费/一次性塑料的使用）
这些固定的搭配展示了 cut down on 在个人管理和集体责任等各个领域的多功能性。使用它们能显著提升你英语表达的自然度。
### Contrast With Similar Patterns
英语中有几个动词和短语动词与 cut down on 意义相近，都表示‘减少’，但它们在含义、用法和语体上有所不同。理解这些细微差别对于高阶学习者来说非常重要。
| 短语/动词 | 主要含义 | 语体 | 侧重点 | 示例 |
| :--------------- | :--------------------------------------------- | :--------- | :--------------------------------------------------------------------- | :--------------------------------------------------------------------------------------------------------------------------------- |
| cut down on | 逐渐减少（习惯、消费、活动）；有意识的努力 | 日常/半正式 | 强调过程和适度，目标是减少数量或频率 | I need to cut down on sweets. （我需要减少甜食摄入。） |
| reduce | 减少（数量、规模、程度）；使变小、变少 | 中性/正式 | 侧重于结果，即数量或程度的降低，比 cut down on 更通用，适用范围更广 | The company reduced its workforce. （公司裁减了员工。） We reduced our energy consumption. （我们减少了能源消耗。） |
| decrease | 减少（数量、大小、价值）；（数量、大小、价值）减少 | 中性/正式 | 与 reduce 类似，常用于描述数量、规模或值的客观下降，尤其在统计数据中 | Sales decreased by 10% last quarter. （上季度销售额下降了10%。） The population decreased. （人口减少了。） |
| lessen | 减轻；变少（程度、强度、数量） | 中性 | 强调程度或强度的减弱，常用于抽象事物或感觉 | The pain began to lessen. （疼痛开始减轻。） We hope to lessen the environmental impact. （我们希望减轻环境影响。） |
| limit | 限制（数量、范围、程度） | 中性/正式 | 强调设定界限，防止超过某个特定水平 | You should limit your intake of fatty foods. （你应该限制脂肪类食物的摄入量。） We need to limit our spending. （我们需要限制我们的开销。） |
| curtail | 削减；缩减（开支、活动等）；使中止 | 正式 | 通常指为了节省、控制或因必要而进行的大幅度或强制性的削减，常用于开支、生产等 | The government had to curtail public spending. （政府不得不削减公共开支。） |
| cut back on| 削减；减少（开支、消费等） | 日常/半正式 | 与 cut down on 非常相似，但更常用于指经济上的削减，如开支、预算等 | We had to cut back on our vacation plans due to budget constraints. （由于预算限制，我们不得不削减假期计划。） |
| give up | 放弃（习惯、尝试、希望）；戒掉 | 日常 | 强调完全停止，彻底放弃某个习惯或行为，通常是永久性的 | He gave up smoking last year. （他去年戒烟了。） Don't give up! （别放弃！） |
| stop | 停止（正在进行的动作或状态） | 日常 | 强调终止一个动作或过程，可以指一次性停止，也可以是永久停止 | Please stop talking. （请停止说话。） She stopped her car. （她停下了车。） |
中文对比：
  • Cut down on 类似于中文的“减少……的量/频率”，强调的是一个持续的、有意识的减少过程，比如“减少吃零食”、“减少看手机时间”。
  • Reduce 和 decrease 更接近中文的“减少”、“降低”，它们是更通用的词，可以指数量、程度、规模的客观减少，比如“降低温度”、“减少人口”。
  • Limit 相当于“限制”，强调设定一个上限，不让其超过某个程度。
  • Curtail 比较正式，接近“削减”、“缩减”，常用于指官方或有计划的大幅度削减，如“削减预算”。
  • Give up 和 stop 则更接近中文的“放弃”、“停止”，强调的是彻底的终止，而不是渐进的减少。
例如，对于‘抽烟’这个习惯：
  • I'm trying to cut down on smoking. （我正试图减少抽烟的数量。）—— 渐进减少。
  • I decided to reduce my smoking. （我决定减少我的抽烟量。）—— 结果性的减少。
  • I decided to limit myself to five cigarettes a day. （我决定将自己限制在每天五支烟。）—— 设定上限。
  • I decided to curtail my smoking. （我决定削减我的抽烟。）—— 语气更重，可能指大幅度减少或计划性削减。
  • I decided to give up smoking. （我决定戒烟。）—— 完全停止。
  • I decided to stop smoking. （我决定停止抽烟。）—— 终止抽烟行为。
### Quick FAQ
1. Cut down on 和 cut back on 有什么区别？
这两个短语非常相似，都表示‘减少’。Cut down on 更侧重于减少习惯、消费或活动，强调渐进的过程和适度。Cut back on 则更常用于指经济上的削减，比如开支、预算、生产等，有时也带有更强的‘削减’意味。但在很多日常语境中，它们可以互换使用，尤其是在谈论减少消费时。例如，cut down on expenses 和 cut back on expenses 都可以理解为‘削减开支’。
2. 我可以说 cut down on 某个人吗？
不可以。Cut down on 的宾语必须是可量化、可消耗的活动、习惯或事物。你不能用它来指代人。如果你想表达‘减少与某人的交往’，可以说 reduce contact with 或 spend less time with。
3. Cut down on 后面必须跟名词吗？
不一定。Cut down on 的宾语可以是名词（如 sugar, expenses），也可以是动名词（gerund，即 -ing 形式的动词，如 eating out, smoking, watching TV）。动名词在功能上相当于名词，所以两者都可以作为 on 的宾语。
4. Cut down on 强调的是‘减少’还是‘停止’？
它主要强调的是‘减少’，并且是‘逐渐地、有意识地减少’。它暗示的是一个过程，而不是立即的、彻底的‘停止’或‘放弃’。如果你想表达彻底停止某个习惯，应该使用 give up 或 stop。

2. Negative Contractions

Full Form Contraction
do not cut down on
don't cut down on
does not cut down on
doesn't cut down on
did not cut down on
didn't cut down on
have not cut down on
haven't cut down on

Conjugation of 'Cut down on'

Tense Subject Form
Present Simple
I/You/We/They
cut down on
Present Simple
He/She/It
cuts down on
Past Simple
All subjects
cut down on
Present Continuous
I
am cutting down on
Present Continuous
He/She/It
is cutting down on
Present Continuous
You/We/They
are cutting down on
Present Perfect
I/You/We/They
have cut down on
Future (Will)
All subjects
will cut down on
Gerund
N/A
cutting down on

Meanings

To consume or do less of something, typically for health, financial, or environmental reasons.

1

Health & Diet

Reducing intake of food, drink, or substances.

“The doctor told him to cut down on red meat.”

“She's cutting down on salt to lower her blood pressure.”

2

Financial/Budgetary

Reducing expenditures or the use of resources.

“We need to cut down on our monthly subscriptions.”

“The company is cutting down on travel expenses this year.”

3

Environmental/Abstract

Reducing waste, emissions, or time spent on activities.

“We must cut down on our carbon footprint.”

“I'm trying to cut down on the time I spend on social media.”

Reference Table

Reference table for 短语动词: 'Cut down on' (减少习惯)
使用场景 对象类型 动词时态 例句
健康与饮食
名词
一般现在时
I need to cut down on sugar.
健康与饮食
动名词
现在进行时
She's cutting down on eating fast food.
财务与支出
名词
一般过去时
We cut down on subscriptions last month.
时间管理
动名词
现在完成时
He has cut down on watching TV.
环保努力
名词
现在进行时
They are trying to cut down on plastic.
一般习惯
名词
一般将来时
You will need to cut down on distractions.

正式程度

正式
It is advisable to reduce one's intake of refined sugars.

It is advisable to reduce one's intake of refined sugars. (Dietary advice)

中性
I'm trying to cut down on sugar.

I'm trying to cut down on sugar. (Dietary advice)

非正式
I'm cutting back on the sweet stuff.

I'm cutting back on the sweet stuff. (Dietary advice)

俚语
I'm ditching the sugar high.

I'm ditching the sugar high. (Dietary advice)

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按水平分级的例句

1

I cut down on sweets.

I eat fewer sweets.

2

He cuts down on soda.

He drinks less soda.

3

Do you cut down on salt?

Do you eat less salt?

4

We cut down on TV.

We watch less TV.

1

I am trying to cut down on chocolate.

I am attempting to eat less chocolate.

2

She cut down on coffee last week.

She reduced her coffee intake last week.

3

They don't cut down on water.

They do not reduce their water use.

4

Can you cut down on the noise?

Can you be a bit quieter?

1

If you want to save money, you should cut down on eating out.

Reducing restaurant visits helps save money.

2

The government wants to cut down on pollution.

The authorities aim to reduce environmental damage.

3

I've been cutting down on my screen time lately.

I have been using my phone less recently.

4

It's hard to cut down on sugar when you love baking.

Reducing sugar is difficult for bakers.

1

The company had to cut down on travel expenses due to the recession.

Economic downturn forced a reduction in travel costs.

2

By cutting down on plastic, we can help the oceans.

Reducing plastic usage benefits marine life.

3

He's finally cutting down on his heavy workload.

He is reducing the amount of work he does.

4

Have they considered cutting down on their energy consumption?

Have they thought about using less energy?

1

We need to cut down on the bureaucratic hurdles that delay our projects.

We must reduce the administrative obstacles.

2

The report suggests cutting down on carbon emissions by 20% by next year.

The document proposes a 20% reduction in CO2.

3

I've decided to cut down on social commitments to focus on my thesis.

I am reducing my social life for my studies.

4

The city is cutting down on traffic congestion by improving public transit.

Better transport is reducing road jams.

1

The CEO's primary objective was to cut down on operational redundancies across all departments.

The goal was to eliminate unnecessary repeated tasks.

2

To mitigate the risk of burnout, she had to drastically cut down on her extracurricular obligations.

She reduced outside duties to avoid exhaustion.

3

The treaty aims to cut down on the proliferation of short-lived climate pollutants.

The agreement targets the reduction of specific pollutants.

4

He argued that cutting down on state intervention would stimulate market growth.

He claimed less government involvement would help the economy.

容易混淆

Phrasal Verb: 'Cut down on' (Reduce Habits) 对比 Cut down vs. Cut down on

Learners use 'cut down on' for trees or 'cut down' for habits.

Phrasal Verb: 'Cut down on' (Reduce Habits) 对比 Cut back on vs. Cut down on

They are almost identical in meaning.

Phrasal Verb: 'Cut down on' (Reduce Habits) 对比 Cut out vs. Cut down on

Learners use 'cut down on' when they mean they stopped completely.

常见错误

✗

I cut down sugar.

✓

I cut down on sugar.

You must include 'on' when talking about reducing a habit.
✗

He cutted down on salt.

✓

He cut down on salt.

'Cut' is irregular; the past tense is 'cut', not 'cutted'.
✗

I cut down on to eat cake.

✓

I cut down on eating cake.

After 'on', use a gerund (-ing), not an infinitive.
✗

She cuts on sugar.

✓

She cuts down on sugar.

You missed the particle 'down'.
✗

I'm cutting down on the smoke.

✓

I'm cutting down on smoking.

Use the gerund for the activity, not the noun for the physical substance in this context.
✗

They cut down on their spendings.

✓

They cut down on their spending.

'Spending' is usually uncountable in this context.
✗

Did you cutted down on coffee?

✓

Did you cut down on coffee?

After 'did', use the base form 'cut'.
✗

I cut sugar down on.

✓

I cut down on sugar.

This phrasal verb is inseparable.
✗

We need to cut down on the costs of living.

✓

We need to cut down on the cost of living.

The phrase is 'cost of living' (singular).
✗

I'm cutting down on to use my car.

✓

I'm cutting down on using my car.

Gerund required after 'on'.
✗

The company cut down on its personnel.

✓

The company cut down on its staff / reduced its personnel.

'Cut down on' is rarely used for people; 'lay off' or 'reduce' is better.
✗

We must cut down on the tree.

✓

We must cut down the tree.

Adding 'on' changes the meaning from 'felling' to 'reducing a habit'.
✗

He is cutting down on his commitments' amount.

✓

He is cutting down on his commitments.

'Amount' is redundant here.
✗

The policy aims to cut down on the poverty.

✓

The policy aims to cut down on poverty.

No article 'the' is needed for abstract nouns like poverty.

句型

I'm trying to cut down on ___.

The best way to cut down on ___ is to ___.

Unless we cut down on ___, we will face ___.

It is imperative that the company cuts down on ___ to ensure ___.

Real World Usage

Doctor's Office very common

You really need to cut down on saturated fats.

Business Meeting common

We must cut down on operational waste to stay competitive.

Texting a Friend very common

I'm cutting down on coffee, so no Starbucks for me today!

Environmental Blog common

Cutting down on meat consumption is the best way to help the planet.

Job Interview occasional

In my last role, I cut down on processing time by 15%.

Social Media common

Day 5 of cutting down on screen time! Feeling great.

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💡

别丢了 'on'！

很多人会漏掉 'on'，但没有它，'cut down' 听起来像是在砍树。把 'on' 想象成锁定目标的准星：
I need to cut down on caffeine.
⚠️

不是一次性动作

Cut down on 专门用于减少某种“习惯”或“经常性消费”。如果是彻底戒掉或一次性切断，用它会很怪： "I'm cutting down on salt."
🎯

加上理由更自然

在口语中，加上动机能让对话更顺滑。比如： "I'm cutting down on coffee to sleep better."
🌍

礼貌拒绝的妙招

当别人递给你甜点而你想拒绝时，这句简直是万金油： "No thanks, I'm trying to cut down on sugar."
💡

名词或动名词都行

记住 'on' 后面可以接名词（如 sweets）或动名词（如 eating sweets），两种用法都非常地道： "I'm cutting down on eating late at night."

Smart Tips

Use 'cut down on' to explain your dietary choices to the waiter.

I don't want much butter. → I'm trying to cut down on butter, so could you put it on the side?

Use 'cut down on' to sound constructive rather than negative.

We must stop spending money on travel. → We need to cut down on travel expenses this quarter.

Remember that 'on' is a preposition, and prepositions love gerunds!

I cut down on drive. → I cut down on driving.

Ask yourself: 'Am I naming the thing I'm reducing?' If yes, use 'on'.

I need to cut down sugar. → I need to cut down on sugar.

发音

/daʊnɒn/

Linking

The 'n' in 'down' often links to the 'o' in 'on'.

CUT DOWN on

Stress

The primary stress is usually on the verb 'cut', but 'down' also receives significant stress.

Falling intonation

I need to cut down on ↘ sugar.

A definitive statement about a habit.

记住它

记忆技巧

Think of 'Cut Down On' as 'Cutting the size Down of what's On your plate.'

视觉联想

Imagine a pair of scissors trimming the edges of a large habit (like a giant coffee cup) until it is a smaller, manageable size. You aren't throwing the cup away; you're just making it smaller.

Rhyme

To be healthy and stay strong, cut down on what is wrong.

Story

A man named Bill loved 10 donuts a day. His doctor said, 'Don't stop entirely, but cut down on them.' Now Bill eats 2 donuts and feels much better.

Word Web

ReduceMitigateDecreaseLessenTrimCurbModerate

挑战

Write down three things you are currently trying to cut down on in your own life using the present continuous form.

文化笔记

Very common in the UK when discussing 'vices' like tea, biscuits, or alcohol.

Often used in the context of 'cutting down on gas' (petrol) or 'cutting down on calories'.

Used globally in business to sound less aggressive than 'slashing' or 'eliminating' costs.

The verb 'cut' comes from Middle English 'cutten'. The phrasal combination 'cut down' appeared in the 14th century meaning to fell trees. The addition of 'on' to mean reduction of consumption developed later, in the 19th century.

对话开场白

“

Is there anything you're trying to cut down on right now?

“

How can a large city cut down on its carbon footprint?

“

Do you think it's better to cut down on a bad habit or cut it out completely?

“

If you had to cut down on one monthly expense, which would it be?

日记主题

Write about a time you successfully cut down on a bad habit. What was the hardest part?
Discuss the environmental impact of cutting down on plastic waste in your local community.
Create a plan for a family to cut down on their household expenses over the next six months.

常见错误

Incorrect

正确

Incorrect

正确

Incorrect

正确

Incorrect

正确

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Test Yourself

选择正确的形式完成句子。

Sarah wants to ___ her social media usage.

✓ Correct! ✗ Not quite. Correct answer: cut down on
为了表达减少某种习惯或消费，我们使用完整的短语动词 cut down on。'Cut down' 单独使用通常指砍伐，而 'cut off' 意思是切断供应。
找出并修正句子中的错误。 Error Correction

Find and fix the mistake:

My New Year's resolution is to cut down snacks.

✓ Correct! ✗ Not quite. Correct answer: My New Year's resolution is to cut down on snacks.
当使用 'cut down on' 表示减少消费或习惯时，介词 'on' 至关重要。没有 'on'，这个短语在这种特定语境下是不完整的。
哪句话正确使用了 'cut down on'？ 多项选择

选择正确的句子：

✓ Correct! ✗ Not quite. Correct answer: He decided to cut down on driving to work every day.
减少某项活动（开车）的正确短语动词是 'cut down on'，后面接动词的 -ing 形式。
将下列句子翻译成地道的英语。 翻译

翻译句子：'我正试着减少咖啡摄入。'

Answer starts with: ["I...

✓ Correct! ✗ Not quite. Correct answer: ["I'm trying to cut down on my coffee consumption.","I'm trying to cut down on coffee."]
表达减少咖啡习惯最自然的方式是使用 'cut down on coffee'。加上 'my coffee consumption' 也是正确的，但稍微正式一点。
将单词排序以组成语法正确的句子。 Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: You need to try to cut down on losing sleep.
正确的语序构建了一个建议某人减少熬夜习惯的句子，使用了 cut down on 配合动名词。

Score: /5

练习题

8 exercises
Fill in the missing preposition.

I'm trying to cut down ___ caffeine.

✓ Correct! ✗ Not quite. Correct answer: on
The phrasal verb is 'cut down on'.
Choose the correct sentence. 多项选择

Which sentence is grammatically correct?

✓ Correct! ✗ Not quite. Correct answer: I cut down on sugar.
'Cut' is the past tense form, and 'on' is required.
Find the error in the sentence. Error Correction

Find and fix the mistake:

He is cutting down on to smoke.

✓ Correct! ✗ Not quite. Correct answer: to smoke
It should be 'smoking' (gerund) after the preposition 'on'.
Rewrite the sentence using 'cut down on'. Sentence Transformation

I am eating less chocolate. (I am...)

✓ Correct! ✗ Not quite. Correct answer: I am cutting down on chocolate.
The present continuous form is 'am cutting down on'.
Is this rule true or false? True False Rule

You can separate 'cut' and 'down' with the object.

✓ Correct! ✗ Not quite. Correct answer: False
'Cut down on' is an inseparable phrasal verb.
Complete the dialogue. Dialogue Completion

A: Would you like another beer? B: No thanks, I'm ___.

✓ Correct! ✗ Not quite. Correct answer: cutting down
When there is no object mentioned at the end of the sentence, you can omit 'on'.
Which of these can you 'cut down on'? Grammar Sorting

Select the item that does NOT fit.

✓ Correct! ✗ Not quite. Correct answer: A tree
You 'cut down' a tree (physical), but you 'cut down on' habits or amounts.
Match the phrase with its meaning. Match Pairs

1. Cut out, 2. Cut down on

✓ Correct! ✗ Not quite. Correct answer: 1-Stop completely, 2-Reduce
'Cut out' means 0%, 'cut down on' means a reduction.

Score: /8

Practice Bank

13 exercises
选择正确的选项完成句子。 填空

The company needs to ___ waste if it wants to be more sustainable.

✓ Correct! ✗ Not quite. Correct answer: cut down on
识别并纠正语法错误。 Error Correction

We should cut down our expenses.

✓ Correct! ✗ Not quite. Correct answer: We should cut down on our expenses.
选择正确使用 'cut down on' 的句子。 多项选择

哪句话在语法上是正确的？

✓ Correct! ✗ Not quite. Correct answer: After lunch, I really need to cut down on those afternoon sweets.
使用 'cut down on' 翻译该短语。 翻译

翻译句子：'政府正试着减少官僚主义。'

✓ Correct! ✗ Not quite. Correct answer: ["The government is trying to cut down on bureaucracy."]
将单词按正确顺序排列。 Sentence Reorder

排列单词组成连贯的句子：

✓ Correct! ✗ Not quite. Correct answer: You should try to cut down on spending.
匹配句子的开头和结尾。 Match Pairs

将句首与合适的句尾匹配。

✓ Correct! ✗ Not quite. Correct answer: matched
选择最合适的短语动词。 填空

If you want to be more productive, you really need to ___ distractions.

✓ Correct! ✗ Not quite. Correct answer: cut down on
纠正下面句子中的错误。 Error Correction

They were told to cut down their intake of fats.

✓ Correct! ✗ Not quite. Correct answer: They were told to cut down on their intake of fats.
选择语法正确的句子。 多项选择

选择表述正确的句子：

✓ Correct! ✗ Not quite. Correct answer: She hopes to cut down on her reliance on public transport.
翻译句子，保持自然表达。 翻译

翻译句子：'你应该试着减少晚上的屏幕时间。'

✓ Correct! ✗ Not quite. Correct answer: ["You should try to cut down on your screen time at night."]
将单词重新组合成正确的句子。 Sentence Reorder

重新排列这些单词：

✓ Correct! ✗ Not quite. Correct answer: I've cut down on my coffee lately.
将目标与相应的减量行动连接起来。 Match Pairs

将个人的目标与其需要减少的事项匹配。

✓ Correct! ✗ Not quite. Correct answer: matched
用最佳选项完成句子。 填空

Many professionals are trying to ___ their work-related stress.

✓ Correct! ✗ Not quite. Correct answer: cut down on

Score: /13

常见问题 (8)

Yes, if the context is clear. For example, if someone offers you a cigarette, you can say `I'm cutting down.` You only need `on` if you name the object.

Both are correct and almost identical. `Cut back on` is slightly more common for financial budgets, while `cut down on` is more common for personal habits like diet.

It is `cut down on`. The verb `cut` does not change in the past tense. Example: `Yesterday, I cut down on my sugar intake.`

No, it is generally used for substances, habits, or expenses. You wouldn't say `I'm cutting down on my friends.` You would use `seeing my friends less.`

Yes, it is perfectly acceptable in business. However, in very formal academic writing, you might prefer `reduce` or `diminish`.

In English, when a one-syllable verb ends in consonant-vowel-consonant (c-u-t), we double the final consonant before adding `-ing`.

No. You must use the gerund: `cut down on drinking`. Prepositions like `on` are followed by nouns or gerunds, not infinitives.

`Cut down` is for physical objects (like trees). `Cut down on` is for abstract amounts or habits.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish moderate

reducir / bajar el consumo de

English requires two extra particles (down, on) whereas Spanish is a single verb.

French low

réduire / diminuer

French lacks the 'directional' particle (down).

German moderate

reduzieren / einschränken

German word order changes in subordinate clauses, unlike English phrasal verbs.

Japanese low

減らす (herasu)

Japanese uses particles like 'wo' for the object, but no equivalent to 'down on'.

Arabic moderate

يقلل من (yuqallil min)

Arabic does not have a 'down' equivalent in this phrase.

Chinese low

减少 (jiǎnshǎo)

Chinese has no prepositions that function like 'on' in this phrasal verb.

Learning Path

Prerequisites

Previous
短语动词: 'Come across' (偶然发现/给人感觉)
Next
终于找到时间 (Get round to)

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