costly

costly 的音标是[ˈkɒstli]，基本翻译是“昂贵的”。

速记技巧：costly 记为“扣死利”，谐音为“可死利”。

Costly这个词的词源可以追溯到拉丁语词根“costare”，意为“花费”。它的词形变化形式主要有复数形式“costs”和过去式、过去分词形式“cost”。

相关单词：

1. Expense（费用）：这个词直接源自法语中的“ex-pense”，意为“花费”。Expense是一个常见的英语单词，用于描述支付的费用或成本。

2. Pricey（昂贵的）：这个词来源于“price”（价格），表示物品或服务的价格高昂。

3. Burden（负担）：这个词源自中世纪英语中的“burden”，意为“负担”或“重物”。Burden可以指代经济负担、心理负担等。

4. Cost-benefit analysis（成本效益分析）：这个词由“cost”（成本）和“benefit”（利益）组成，用于评估某种行动或决策的成本和收益。

5. Wasteful（浪费的）：这个词来源于“waste”（浪费），表示对资源或金钱的浪费。

6. Expense account（公务开支账目）：这个词由“expense”（费用）和“account”（账目）组成，用于记录公务活动的费用。

7. Costume（戏服）：这个词源自意大利语中的“costume”，意为“服装”或“装饰”。它通常指戏剧、电影等表演中的服装。

8. Costume jewelry（戏服首饰）：这个词由“costume”（戏服）和“jewelry”（首饰）组成，指用于戏剧表演中的装饰性首饰。

9. Overcost（过高的价格）：这个词由“over”（过度）和“cost”（成本）组成，表示价格过高。

10. Costume drama（古装剧）：这个词由“costume”（戏服）和“drama”（戏剧）组成，指以古代服装为主题的戏剧。

常用短语：

1. cost sb. an arm and a leg

2. beyond one"s means

3. a price tag

4. pay a high price

5. cost a fortune

6. at a high cost

7. cost a bomb

例句：

1. The new car is so expensive that it will cost me an arm and a leg to buy it.

2. The item is beyond my means, I can"t afford it.

3. The price tag on that dress is a bit steep, I"m not sure if I can justify the cost.

4. You"re paying a high price for your mistakes.

5. Buying a house in such a pricey area costs a fortune.

6. At a high cost, we must ensure that our country"s future is secure.

7. The new phone is costing me a bomb!

英文小作文：

标题：The Cost of Success

Success often comes at a high cost, and it"s not always easy to determine whether the price is worth it or not. When we strive for our goals, we often have to make sacrifices and pay a price for our efforts. Whether it"s time, money, or energy, success often comes at a cost that we have to consider carefully before making the decision to pursue it.

However, there are also times when success comes without a price tag, and these moments are truly special. When we achieve our goals without having to compromise anything else, it"s a feeling that cannot be described in words. But these moments are rare and fleeting, and we have to work hard to earn them.

In conclusion, the cost of success is something that we have to weigh up carefully before making our decision. It"s not always easy to determine whether the price is worth it or not, but we have to remember that success is not always about the material gains but also about the personal growth and satisfaction that comes with achieving our goals.