*cost² v cost, cost, costing [T] 1 to have a particular price 价钱为: This dress cost $75. 这条连衣裙要 75 美元。 cost sb sth How much did the repairs cost you? 修理费用是多少？ it costs sth to do sth It costs more to travel by air. 乘飞机旅行更贵。 2 to make someone lose something important 使丧失〔重要的东西〕: cost sb sth a mistake that cost him his life 使他丧命的错误