cost
gb/kˈɔst/ us/kˈɔst/
A1
英语
~ 1000
义项
0 个义项
名词
A2
quantity
1
Price of something
The money you need to pay for something.
用法模式：
the cost of [something]
常见错误：
Learners sometimes confuse 'cost' with 'price' — 'price' is what is charged, 'cost' can mean what you pay or what it takes to produce.
近义词
price (The most common alternative; often interchangeable but 'price' is more about the set charge, while 'cost' can also imply expense to the seller.)
反义词
income (Opposite in the sense of money going out vs. money coming in.)
搭配
high cost
|low cost
|cost of living
|production cost
|at no cost
主题
business
|daily life
|commerce
|finance
|core_vocabulary
例句
- The cost of the new phone is too high for me.
- They are trying to reduce the cost of production.
- The total cost came to $500.
- Health care costs have risen sharply this year.
学习者例句
- The cost of the book is five dollars.
- What is the cost of the ticket?
- The cost is too high for me.
- We must pay the full cost.
动词
A1
action
2
Require payment of money
To need a certain amount of money to buy or do something.
用法模式：
[something] costs [amount]
常见错误：
Learners sometimes use 'is cost' instead of 'costs' when speaking about prices.
近义词
charge ('Charge' focuses on what the seller asks for, while 'cost' focuses on what is needed to pay.)
反义词
earn (Opposite in terms of money going out versus money coming in.)
搭配
cost a fortune
|cost too much
|cost $10
|cost an arm and a leg
主题
daily life
|commerce
|finance
|business
|core_vocabulary
例句
- This meal will cost you $20.
- The repairs could cost more than the car is worth.
- It costs a lot to live in this city.
学习者例句
- The shoes cost fifty dollars.
- How much does this shirt cost?
- It costs a lot to travel there.
名词
B1
entity
3
Something sacrificed for gain
Something you lose or give up to get something else.
用法模式：
at the cost of [something]
常见错误：
Learners may confuse this with financial meaning; here it refers to non-money sacrifices.
近义词
sacrifice ('Sacrifice' emphasizes the deliberate giving up of something valuable, while 'cost' can be more general.)
反义词
benefit (Benefit is the positive outcome, opposite to the loss implied by 'cost'.)
搭配
at great cost
|personal cost
|emotional cost
主题
life choices
|business
|core_vocabulary
例句
- He achieved success, but at the cost of his health.
- They won the case at great personal cost.
- The project was completed at the cost of employee morale.
学习者例句
- He got the job at the cost of his free time.
- She passed the exam at the cost of her health.
- We finished early at the cost of quality.
动词
B1
action
4
Cause loss or harm
To make someone lose something important (not money).
用法模式：
[something] costs [someone] [something valuable]
近义词
deprive ('Deprive' means to take away directly; 'cost' implies as a result of an action or event.)
反义词
reward ('Reward' gives something valuable instead of taking it away.)
搭配
cost dearly
|cost someone their life
|cost someone their job
主题
life choices
|core_vocabulary
例句
- His mistake cost him his job.
- The accident nearly cost her her life.
- That comment may cost you your friendship with him.
学习者例句
- The lie cost him his best friend.
- Her mistake cost her the race.
- The war cost many lives.
语法
词典原形
cost
IPA
GB/kˈɔst/
US/kˈɔst/
音节与重音
cost （1 个音节）
Stress on 1st syllable (cost)
词形变化
Noun
- Base: cost
- Plural: cost, costs
Verb
- Base: cost
- 3rd Person Singular: costs
- Present Participle: costing
- Past: cost, costed
- Past Participle: cost
词族
Forms
costs
noun
costing
verb
costed
verb
Related words
costly
adjective B1
语法重点
- Irregular past participle: cost Verb
相关表达
at all costs
1/ˈæt ˈɔl kˈɔsts/
idiom
Do regardless of obstacles
Do something no matter how hard or dangerous it is.
例句
- We must protect the children at all costs.
- Avoid injury at all costs during training.
at the cost of
1/ˈæt ðə kˈɔst əv/
fixed phrase
In exchange for losing something valuable
When you get something but lose something else important for it.
例句
- He finished the project at the cost of his health.
- They won at the cost of their friendship.
hidden costs
1/hˈɪdən kˈɔsts/
fixed phrase
Extra expenses not obvious at first
Extra money you must pay that you did not know about before.
例句
- Be aware of hidden costs when signing the contract.
- There are hidden costs in maintaining an old house.
true cost
1/tɹˈu kˈɔst/
fixed phrase
Actual total expense including indirect effects or losses
The real amount something costs, including extra or hidden parts.
例句
- The true cost of cheap clothing includes environmental damage.
- We need to calculate the true cost before deciding.
cost an arm and a leg
1/kˈɔst ən ˈɑɹm ˈænd ə lˈɛɡ/
idiom
informal
Be very expensive
Be very expensive; cost a lot of money.
例句
- That car cost me an arm and a leg.
- That designer bag costs an arm and a leg.
- The repairs will cost an arm and a leg.
- The trip will cost an arm and a leg if we fly first class.
cost an arm and a leg
2/kˈɔst ən ˈɑɹm ˈænd ə lˈɛɡ/
idiom
informal
Be very expensive
To be very expensive to buy or get.
例句
- That designer bag cost an arm and a leg.
- Going to college can cost an arm and a leg.