一、详细释义：


adj.

昂贵的；代价高的


例句：

That's as much as the output of a costly converter, thirty feet high. Really wonderful!

那等于一座高30英尺造价昂贵的转炉的年产量，真了不起！


例句：

Waste of time is the most extravagant and costly of all expenses.

浪费时间是一切花费中最奢侈豪华的费用。


二、词义辨析：


dear,expensive,costly

这些形容词都表示物品价格“高的，昂贵的”之意。 dear侧重指要价过高，或远高于公道、合理的价格，其反义词是cheap。 expensive指物品的价格超过了它本身所值，或超过了购买者的支付能力。 costly指物品价格高，通常是因物品稀少或珍贵所致。


三、参考例句：


His obese figure arrayed in costly apparel.

他的肥胖的身躯穿着一身考究的服装。


His costly mistake resulted in severe loss.

他的严重的错误导致了重大的损失。


The war was both costly and unpopular.

这场战争既费钱又不得人心。


Prevention is always more sensible and less costly than cure.

预防总是比治疗更明智，而且花费更少。


The house is too costly for us to buy.

这房子太贵了,我们买不起。


Some of the standards are costly to shipowners.

要达到有些标准对船主来说代价很高。


The castle will undergo extensive and costly renovations.

那城堡要用巨资进行全面整修。


The general's decision to invade was a costly mistake.

将军作出的入侵决定是个代价惨重的错误。


May 22 and 23 were costly days for the Navy.

5月22日和23日，是我海军损失惨重的日子。


It would be too costly to repair the car.

修理这辆汽车要花很多钱。