cost是什么意思

顾老师英语课堂

cost

/kɒst/ (英) /kɔːst/ (美)
名词 动词

基本释义:成本;费用;代价

词源:源自拉丁语"constare"(花费)

📚 核心含义

名词:费用

指购买或生产某物所需的金额

The cost of living has increased.
生活成本上涨了。
经济

名词:代价

为获得某物而付出的努力或牺牲

Success comes at a cost.
成功需要付出代价
生活

动词:花费

需要支付特定金额

This phone costs $500.
这部手机售价500美元。
商业

"cost"是高频使用词汇,在商务、经济和日常生活中都很常见。注意区分名词和动词用法。

🔄 用法对比

英语例句

The cost of the project is too high.

It will cost you a fortune.

What is the cost of this service?

中文翻译

这个项目的成本太高。

这会让你花费一大笔钱。

这项服务的费用是多少?

🔊 发音指南

英式发音
/kɒst/

靠-斯特(短o音)

美式发音
/kɔːst/

考-斯特(长o音)

发音要点:

常见发音错误

  • 读成"coast"(应为/kɒst/或/kɔːst/)
  • 忽略"t"的发音
  • 英式美式发音混淆

🎯 常见搭配

cost + of

表示...的费用

cost of living
生活成本
常用搭配

at + cost

以...代价

at any cost
不惜任何代价
固定短语

cost + 金额

花费多少钱

It costs $100
花费100美元
动词用法

语法注意

动词变化: cost - cost - cost
名词复数: costs

⚠️ 易混淆点

不要混淆:

The cost is expensive. (错误)

正确:The cost is high. 或 It is expensive.

It costs me 3 hours. (错误)

正确:It takes me 3 hours.

✍️ 随堂练习

翻译练习

1. The cost of education is rising.
2. This mistake will cost us dearly.
3. What does it cost to repair the car?

1. 教育成本正在上升。

2. 这个错误将让我们付出沉重代价

3. 修理这辆车要花费多少钱?

发音练习

跟读以下句子:

• The cost is too high. [kɒst/kɔːst]
• It costs a lot of money. [kɒsts/kɔːsts]
• We must reduce costs. [kɒsts/kɔːsts]

改错练习

找出并改正错误:

1. The cost is very expensive.
2. It costed me $50.
3. What is the price cost?

1. The cost is very high. 或 It is very expensive.

2. It cost me $50.

3. What is the cost? 或 How much does it cost?