Buying new furniture may prove too costly.
购买新家具可能会花钱太多。
a costly mistake/failure
造成重大损失的错误╱失败
Mining can be costly in terms of lives(= too many people can die) .
采矿有时会造成重大的生命损失。
1.昂贵的,费用大的;奢华的,浪费的
1.costing a lot of money; used about something that costs more money than you want to pay; used about something that is expensive but of very good quality
2.causing a lot of problems
1.Was all this costly conquest really worth it? asked the company's Delft shareholders in 1644.
这些高昂的代价真的值得吗？公司在代尔夫特（Delft）的股东在1644年问道。
2.Compliance is often seen as complex, costly, and as not contributing significantly to the bottom line -- just one more thing to do.
法规遵循往往是复杂的，代价高昂的，没有重大贡献的底线--仅仅是多做的工作。
3.In a few instances, it has been suggested that this loss, while seemingly costly, represents a blessing in disguise.
在某些场合下，有人提出，这种损失虽然代价高昂，却是因祸得福。
4.He says English-language training is often the most costly part for students beginning their studies.
他说，对于留学生来说，英语语言培训通常是花费最多的一部分。
5.However, while many states are able to prosecute, they are often unwilling to do so, as the trials can be complex and costly.
然而，虽然许多国家可以起诉，它们却经常不愿意这么做，因为审判既繁琐又昂贵。
6.Only a very costly surgery could save him now and there was no one to loan them the money.
仅一次非常昂贵的手术可能现在救他，并且贷款他们金钱的没人。
7.All agree that trying to attain it is going to be very costly.
但他们都同意，试图实现这样大的增长必然耗资不菲。
8.Depositor protection can help restore confidence, although it tends to be costly and does not necessarily speed up economic recovery.
尽管储户保护政策代价昂贵且对经济恢复是非必要的，但这种保护政策有助于恢复信心。
9.We're going to simulate cutting out some of the costly operations, and see how much we save.
我们会假设将一些费钱的工作砍掉，看看能节省多少钱。
10.Going into that business at such a time was a costly error, and Smith has been paying through the nose ever since.
在那样的时候，从事那种事业是个大错误，史密斯自此以后即一直为此付出很大的代价。