学习资料

[意       思]adj. 昂贵的，代价高的
[例]  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。
adj. 贵重的，宝贵的
[例]  costly jewels 贵重的珠宝

更多意思

adj.1.  花钱多的，昂贵的，价钱高的
2.  引起困难的，造成损失的

参考例句

1.	The castle will undergo extensive and costly renovations.
	那城堡要用巨资进行全面整修。
2.	The long and costly strike proved to be the last nail in the company's coffin.
	长期罢工损失巨大致使该公司一蹶不振。
3.	It would be too costly to repair the car.
	修理这辆汽车要花很多钱。
4.	It must be very costly to keep up a large house like this.
	维护这样一幢大房屋一定得花不少钱。
5.	She made many costly purchases.
	她买了许多昂贵的物品。