costly

adj. /ˈkɑːst.li/ B2

昂贵的；代价高昂的

Costing a lot of money, or causing serious problems.

仙境例句

The Hatter's best hats were so costly that even the Hatter could not buy one.

帽匠最好的帽子贵得连帽匠自己都买不起。