cost an arm and a leg极其昂贵 ►含义:be extremly expensive非常昂贵 ►例句I'd love to buy a Porsche, but it costs an arm and a leg.我想买一辆保时捷,但太贵了。 ►对话A: Wow, this coat is really attractive.哇,这件大衣太好看了。B:Forget it. It costs an arm and a leg.算了吧,太贵了。 ►额外收获:1.extremely:adv. 非常、极其2.I’d love to:我想(做某事)3.attractive:adj.吸引人的4.forget it:算了吧。 ►今日作业: