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- 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。
- Words come so naturally and become so closely associated with what they represent that we may unconsciously regard them as synonymous with reality. That can be a costly mistake. 语言被运用得如此自然并与它们所代表的事物联系得如此紧密，以致我们有时会不知不觉地认为她们和事物本是一体。但这却是一个代价沉重的错误。
- It was a costly mistake. 这是一个使我们吃了大亏的错误。
- His costly mistake resulted in severe loss. 他的严重的错误导致了重大的损失。
- Passenger ships are a costly way to travel. 坐游轮是昂贵的旅行方法。
- A costly ornament of precious metal or gems. 金银首饰珍贵的金属或宝石制成的昂贵装饰品
- Lighting a surface can be a costly operation. 光照一个表面可以是一个昂贵的操作。
- Hardening satellites is a costly endeavor, however. 不过，人造卫星加固工作耗资相当庞大。
- 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！
- a costly mistake 造成重大损失或牺牲的错误
- How was it that his wife had such a costly necklace? 为什么他妻子会有样值钱的项链呢?
- A costly undertaking having an absurd or ruinous outcome. 费力不讨好的事一项具有一个荒谬或毁灭性结果的代价很高的任务
- He gaged a costly ring upon the speed of his greyhound. 他押上一只昂贵的戒指以示他猎犬的速度。
- About 95 percent of it is unscrambled by hand, a costly effort. 大约有95%25必须由人工加以分类，这又是一件耗费成本的工作。
- It was a costly success, with heavy casualties on both sides. 这是一次代价很高的胜利，双方都有重大人员伤亡。
- In the little frontier city of Chaparosa, Longley built a costly residence. 朗利在边疆小城查帕罗萨盖了一幢豪华的住宅。
- Let us mediate our differences rather than engage in a costly strike. 让我们通过调停来解决我们的分歧，而不是进行代价高昂的罢工。
- As to headgear, do not wear, there is a costly headgear in the home so. 至于首饰，是从来不戴的，所以家里没有一件值钱的首饰。
- Pique spoke of his disappointment, and rued his side's costly mistakes. 曼联在周三晚上举行的联赛杯比赛中被考文垂以2-0淘汰了。
- But to leave the oyster once more year is a costly gamble because they will probably die. 但这也是风险极大的赌博，因为在这一年中它们面临着死亡的威胁。
