考研英语高频词解析：costly，背单词千万不要只记中文意思，一定要结合真题例句去理解它的语境。记住它的搭配比干巴巴地背释义有用得多。以下是详细介绍。

考研英语单词解析：costly

单词：costly

音标：/ˈkɒstlɪ/

释义：a.昂贵的，价值高的；豪华的

考频：★★★★

记法：

拆解为cost（花费、成本）+ -ly（形容词后缀，表具有某种属性）→ 花费高的、成本高的，引申为昂贵的；考研阅读中该词除了表物品价格高，还常引申指行为、决策带来的代价惨重的。

派生词：

costliness (名词，意为“昂贵；奢华；高昂代价”)

cost (名词/动词，名词义为“成本，花费，代价”；动词义为“花费，使付出”)

costing (名词，意为“成本核算，生产耗费计算”)

搭配：

costly mistake 代价高昂的错误

costly investment 高成本投资

costly delay 代价惨重的延误

costly luxury 昂贵的奢侈品

考研真题例句：

States will be able to force more people to pay sales tax when they make online purchases under a Supreme Court decision Thursday that will leave shoppers with lighter wallets but is a costly headache for many big online retailers.

根据美国最高法院周四的一项裁决，各州将能够强制更多人在网购时缴纳销售税，这会让消费者的钱包缩水，但对许多大型线上零售商来说是一件代价高昂的头疼事。

The Nobel Foundation’s limit of three recipients per prize, each of whom must still be living, has long been an anomaly in the increasingly collaborative nature of modern research — and will inevitably have many costly consequences.

诺贝尔基金会规定每个奖项最多三名获奖者且所有获奖者都必须在世，在现代研究日益协作化的背景下长期以来都不合时宜，且不可避免会带来诸多代价高昂的后果。

Many local governments found that ignoring the warning signs of environmental pollution turned out to be far more costly than investing in pollution control in advance.

许多地方政府发现，忽视环境污染的预警信号，最终的代价远远高于提前投入污染治理的成本。

考研英语背单词，还在从abandon开始死记硬背?难怪背了忘、忘了背!听马天艺老师的，咱们要“撸串式”背单词，点击试听>>