cost·ly /ˈkɒstli $ ˈkɒːstli/ ●●○ adjectiveadj 1 EXPENSIVEvery expensive, especially wasting a lot of money 昂贵的;〔尤指〕花太多钱的n a complex and costly procedure
Such a database would be extremely costly to set up. 建立这样一个数据库要花很多钱。
► see thesaurus at expensive 2 PROBLEMsomething that is costly causes a lot of problems or trouble 代价高的;损失大的 His delay in making a decision could prove costly in the long run. 他的优柔寡断长久下去要付出巨大代价。
—costliness noun [uncountableU]