costly
/ˈkɒstlɪ/adjective
1costlier, costliest
costing a lot; expensive贵重的; 昂贵的：major problems requiring costly repairs
要花去很多修理费的大问题。
1.1
- causing suffering, loss, or disadvantage代价大的; 损失惨重的：
the government's biggest and most costly mistake.
政府最大、损失最惨重的错误。
派生词