costs an arm and a leg
價格太貴，花費太多的錢
口語·表示價格極其昂貴
英文釋義
to be extremely expensive
例句
A college education these days costs an arm and a leg, but it's worth the investment.
典故來源
與cost an arm and a leg同源，強調極端昂貴，常用于形容商品或服務價格。