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单词拼写：
costly
音标发音：
[ˈkɒstli][ˈkɔːstli]
词性词义：
adj.昂贵的；代价高的
英英释义：
Adjective:
1.entailing great loss or sacrifice; "a dearly-won victory"2.having a high price; "costly jewelry" "high-priced merchandise" "much too dear for my pocketbook" "a pricey restaurant"
短语词组：
costly car昂贵的轿车
costly mistake损失重大的错误
costly strike〔war〕代价高昂的罢工〔战争〕
costly business费钱的事
costly jewels贵重的宝石
costly materials昂贵的材料
记忆技巧：
cost v.成本为 + -ly ...的
同义词辨析：
precious costly dear expensive valuable【导航词义：贵重的，昂贵的】
preciousadj.贵重的
〔辨析〕
强调稀有且价值不菲的。
〔例证〕
precious vases
稀世花瓶
There is a crown set with precious jewels in his safe.
他保险箱里有一个嵌满贵重宝石的王冠。
costlyadj.昂贵的
〔辨析〕
较正式用词，指花费太多钱的，尤指超过愿意支付的价钱的。
〔例证〕
Such a set of furniture would be extremely costly to buy.
买这么一套家具要花很多钱。
He wanted to know how to avoid costly legal proceedings.
他想知道如何避开昂贵的法律诉讼。
双语例句：
1.Was all this costly conquest really worth it? asked the company's Delft shareholders in 1644.
这些高昂的代价真的值得吗？公司在代尔夫特（Delft）的股东在1644年问道。
2.Compliance is often seen as complex, costly, and as not contributing significantly to the bottom line -- just one more thing to do.
法规遵循往往是复杂的，代价高昂的，没有重大贡献的底线--仅仅是多做的工作。
3.In a few instances, it has been suggested that this loss, while seemingly costly, represents a blessing in disguise.
在某些场合下，有人提出，这种损失虽然代价高昂，却是因祸得福。
4.He says English-language training is often the most costly part for students beginning their studies.
他说，对于留学生来说，英语语言培训通常是花费最多的一部分。
5.However, while many states are able to prosecute, they are often unwilling to do so, as the trials can be complex and costly.
然而，虽然许多国家可以起诉，它们却经常不愿意这么做，因为审判既繁琐又昂贵。
6.Only a very costly surgery could save him now and there was no one to loan them the money.
仅一次非常昂贵的手术可能现在救他，并且贷款他们金钱的没人。
7.All agree that trying to attain it is going to be very costly.
但他们都同意，试图实现这样大的增长必然耗资不菲。
8.Depositor protection can help restore confidence, although it tends to be costly and does not necessarily speed up economic recovery.
尽管储户保护政策代价昂贵且对经济恢复是非必要的，但这种保护政策有助于恢复信心。
9.We're going to simulate cutting out some of the costly operations, and see how much we save.
我们会假设将一些费钱的工作砍掉，看看能节省多少钱。
10.Going into that business at such a time was a costly error, and Smith has been paying through the nose ever since.
在那样的时候，从事那种事业是个大错误，史密斯自此以后即一直为此付出很大的代价。
全部四级六级高考考研例句：
It is more costly than what our ancestors ate.
出自-2016年6月阅读原文
It is becoming costly.
出自-2015年12月阅读原文
Given the rising investment in college education, parental concern is not surprising, but learning where and when to intervene (干预 ) will help students take more ownership of the outcomes of these increasingly costly educations.
出自-2013年12月阅读原文
They find it costly to give up their existing assets.
出自-2013年6月阅读原文
That lets us avoid building costly plants or buying expensive power at peak usage time
出自-2013年6月阅读原文
living separately would be too costly
出自-2012年6月阅读原文
Surveys show that the number of worried Americans has been steadily growing over the years as the computer becomes increasingly efficient, easier to operate, and less costly to purchase and maintain.
出自-2013年6月听力原文
Some desalination plants exist where feasible, but they are costly to run and can need constant repairs.
2018年12月四级真题（第一套）阅读 section C
本文参考文献：
1 http://www.mcb5.cn/we
2 http://www.mcb5.cn/can
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核心重点高频常考单词-costly的发音/词性词义/用法/同近反义词/记忆法/词根词缀/高级替换词/中英文例句-秒词邦免费背单词赚钱微信小程序
单词拼写：
costly
音标发音：
[ˈkɒstli][ˈkɔːstli]
词性词义：
adj.昂贵的；代价高的
英英释义：
Adjective:
1.entailing great loss or sacrifice; "a dearly-won victory"2.having a high price; "costly jewelry" "high-priced merchandise" "much too dear for my pocketbook" "a pricey restaurant"
短语词组：
costly car昂贵的轿车
costly mistake损失重大的错误
costly strike〔war〕代价高昂的罢工〔战争〕
costly business费钱的事
costly jewels贵重的宝石
costly materials昂贵的材料
记忆技巧：
cost v.成本为 + -ly ...的
同义词辨析：
precious costly dear expensive valuable【导航词义：贵重的，昂贵的】
preciousadj.贵重的
〔辨析〕
强调稀有且价值不菲的。
〔例证〕
precious vases
稀世花瓶
There is a crown set with precious jewels in his safe.
他保险箱里有一个嵌满贵重宝石的王冠。
costlyadj.昂贵的
〔辨析〕
较正式用词，指花费太多钱的，尤指超过愿意支付的价钱的。
〔例证〕
Such a set of furniture would be extremely costly to buy.
买这么一套家具要花很多钱。
He wanted to know how to avoid costly legal proceedings.
他想知道如何避开昂贵的法律诉讼。
双语例句：
1.Was all this costly conquest really worth it? asked the company's Delft shareholders in 1644.
这些高昂的代价真的值得吗？公司在代尔夫特（Delft）的股东在1644年问道。
2.Compliance is often seen as complex, costly, and as not contributing significantly to the bottom line -- just one more thing to do.
法规遵循往往是复杂的，代价高昂的，没有重大贡献的底线--仅仅是多做的工作。
3.In a few instances, it has been suggested that this loss, while seemingly costly, represents a blessing in disguise.
在某些场合下，有人提出，这种损失虽然代价高昂，却是因祸得福。
4.He says English-language training is often the most costly part for students beginning their studies.
他说，对于留学生来说，英语语言培训通常是花费最多的一部分。
5.However, while many states are able to prosecute, they are often unwilling to do so, as the trials can be complex and costly.
然而，虽然许多国家可以起诉，它们却经常不愿意这么做，因为审判既繁琐又昂贵。
6.Only a very costly surgery could save him now and there was no one to loan them the money.
仅一次非常昂贵的手术可能现在救他，并且贷款他们金钱的没人。
7.All agree that trying to attain it is going to be very costly.
但他们都同意，试图实现这样大的增长必然耗资不菲。
8.Depositor protection can help restore confidence, although it tends to be costly and does not necessarily speed up economic recovery.
尽管储户保护政策代价昂贵且对经济恢复是非必要的，但这种保护政策有助于恢复信心。
9.We're going to simulate cutting out some of the costly operations, and see how much we save.
我们会假设将一些费钱的工作砍掉，看看能节省多少钱。
10.Going into that business at such a time was a costly error, and Smith has been paying through the nose ever since.
在那样的时候，从事那种事业是个大错误，史密斯自此以后即一直为此付出很大的代价。
全部四级六级高考考研例句：
It is more costly than what our ancestors ate.
出自-2016年6月阅读原文
It is becoming costly.
出自-2015年12月阅读原文
Given the rising investment in college education, parental concern is not surprising, but learning where and when to intervene (干预 ) will help students take more ownership of the outcomes of these increasingly costly educations.
出自-2013年12月阅读原文
They find it costly to give up their existing assets.
出自-2013年6月阅读原文
That lets us avoid building costly plants or buying expensive power at peak usage time
出自-2013年6月阅读原文
living separately would be too costly
出自-2012年6月阅读原文
Surveys show that the number of worried Americans has been steadily growing over the years as the computer becomes increasingly efficient, easier to operate, and less costly to purchase and maintain.
出自-2013年6月听力原文
Some desalination plants exist where feasible, but they are costly to run and can need constant repairs.
2018年12月四级真题（第一套）阅读 section C
本文参考文献：
1 http://www.mcb5.cn/we
2 http://www.mcb5.cn/can
3 http://www.mcb5.cn/they
4 http://www.mcb5.cn/but
5 http://www.mcb5.cn/do
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20 http://www.mcb5.cn/his
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