1. | 花钱多的;昂贵的;价钱高的costing a lot of money, especially more than you want to pay |
Buying new furniture may prove too costly. 购买新家具可能会花钱太多。 |
2. | 引起困难的;造成损失的causing problems or the loss of sth |
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。 |