dear, expensive, costly

形容詞 costly:

1. entailing great loss or sacrifice
   同義詞：dearly-won
2. having a high price
   同義詞：dear, high-priced, pricey, pricy

1. The castle will undergo extensive and costly renovations.
   那城堡要用鉅資進(jìn)行全面整修。
2. The long and costly strike proved to be the last nail in the company's coffin.
   長(zhǎng)期罷工損失巨大致使該公司一蹶不振。
3. The costly renovation of the old college building was criticized by most teachers.
   花費(fèi)很大的舊校舍的修復(fù)工程受到大多數(shù)老師的批評(píng)。
4. The keepsake she gave me is small and not very costly.
   她送我的紀(jì)念品很小而且不值錢(qián)。
5. Passenger ships are a costly way to travel.
   坐游輪是昂貴的旅行方法。
6. That's as much as the output of a costly converter, thirty feet high, really wonderful!
   那等于一座高30英尺造價(jià)昂貴的轉(zhuǎn)爐的年產(chǎn)量，真了不起！
7. His costly mistake resulted in severe loss.
   他的嚴(yán)重的錯(cuò)誤導(dǎo)致了重大的損失。

cost.ly

adj.（形容詞）
cost.li.er,cost.li.est
Of high price or value; expensive:
價(jià)格高的，價(jià)值高的；昂貴的：
例句：
costly jewelry.
昂貴的珠寶

Entailing loss or sacrifice:
損失慘重的，犧牲很大的：
例句：
a costly war.
損失慘重的戰(zhàn)爭(zhēng)

【引伸】
cost.liness
n.（名詞）
<參考詞匯><同義詞>costly,expensive,dear,valuable,precious,invaluable,pricelessThese adjectives apply to what brings a high price or is of great value.Costly, expensive, and dear refer principally to the cost entailed in acquiring something, costly especially implying high quality or rarity of the purchase:
這些形容詞都指帶有高價(jià)或價(jià)值高的。Costly，expensive 和 dear 主要指獲得某物涉及的費(fèi)用， costly 指購(gòu)買(mǎi)品的質(zhì)量上乘并稀有：
例句：
a costly Chinese porcelain jar;
珍貴的中國(guó)瓷罐；

例句：
expensive silk underwear.
貴重的絲制內(nèi)衣。

例句：
.Pictures ought not to be too dear. (John Ruskin).The terms also apply figuratively to what occasions loss or sacrifice:
.圖畫(huà)不應(yīng)太貴. （約翰·羅斯金）。這些詞也比喻性地指導(dǎo)致喪失或犧牲的東西：

例句：
.Morality is a private and costly luxury. (Henry Adams).
.道德是私有的且昂貴的奢侈品. （亨利·亞當(dāng)斯）。

例句：
.Avoid shame, but do not seek glory,—nothing so expensive as glory. (Sydney Smith).
.避免恥辱，但不要追求榮譽(yù)，——榮譽(yù)價(jià)最高. （西德尼·史密斯）。

例句：
.Wisdom is never dear, provided the article be genuine. (Horace Greeley).
.文章只要真實(shí)，智慧并不難得。. （賀拉斯·格瑞利）。

Valuable describes what has a high market value (
Valuable 指具有高的市場(chǎng)價(jià)值的事物(
例句：
a valuable painting), but it also applies to immaterial qualities such as benefit, importance, or utility:
價(jià)值連城的畫(huà))， 但它也指非物質(zhì)的特征，如利益、重要性或用途：

例句：
.The shrewd guess,the fertile hypothesis,the courageous leap to a tentative conclusion—these are the most valuable coin of the thinker at work. (Jerome Bruner).
.敏銳的猜想，豐富的假設(shè)，向試驗(yàn)性結(jié)論勇敢的跨越——這些是工作中的思考者有用的東西。. （杰隆·布魯諾）。

Precious implies uniqueness and irreplaceability:
Precious 暗指獨(dú)一性和無(wú)可替代性：
例句：
Gold is a precious metal.
金子是珍貴金屬。

例句：
Freedom is a precious heritage.
自由是寶貴的遺產(chǎn)。

Invaluable andpriceless describe what is of inestimable worth:
Invaluable 和priceless 用來(lái)描述具有不可估量?jī)r(jià)值的東西：
例句：
.A free government . . . is an invaluable blessing. (Alban Butler).
.自由的政府…是無(wú)價(jià)的賜福. （阿爾本·巴特勒）。

例句：
.Although human life is priceless,we always act as if something had an even greater price than life. . . . But what is that somethingô. (Antoine de Saint-Exupéry).
.盡管人的生命是珍貴的，但我們做事時(shí)卻好象總有什么東西比生命更重要…那么這個(gè)東西是什么呢？. （安東尼·德·圣愛(ài)克修佩瑞）