costly

UK //ˈkɒstli//US //ˈkɔːstli//

词源

源自中古英语 'costli'，由 'cost'（成本）加形容词后缀 '-ly' 构成，最早记录于14世纪。

❶ 指某物价格昂贵，需要花费大量金钱购买或获得，通常超出一般承受范围。

“The diamond ring was too costly for him to afford.”

（这枚钻戒价格太昂贵，他买不起。）

“Repairing the old house proved to be a costly mistake.”

（修缮这栋老房子被证明是个代价高昂的错误。）

同义词:expensive, pricey, high-priced, dear

costly mistake — 指因错误判断或决策导致重大损失或付出高昂代价的情况。

“Not buying insurance turned out to be a costly mistake when the accident happened.”

（当事故发生时，没有购买保险被证明是个代价高昂的错误。）

costly victory — 形容虽然取得胜利，但付出了极大代价的情况，常用于军事或竞争场景。

“The battle was won, but it was a costly victory with many casualties.”

（战斗虽然胜利了，但这是用许多伤亡换来的惨胜。）