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价格昂贵；付出过高的代价
1、Arm and leg───胳膊和腿
2、to cost an arm and a leg───花费一只胳膊和一条腿
3、an a───n.语录；言论集；轶事；n.(Ana)人名；(土、葡、塞、西、罗)安娜(女名)，阿纳
4、a an───abbr.氨基乙腈（aminoacetonitrile）
5、and an───还有一个
6、arm and arm───adj.很亲密的朋友。
7、an arm and a leg───大价钱，巨额花费；非常昂贵；昂贵的代价
8、a leg───一条腿
9、here is an arm───这是一只胳膊
1、She saw a beautiful coat but it cost an arm and a leg.───她看到了一件漂亮的上衣，但它的价格昂贵。
2、Yeah. I bet a diamond ring like that one would cost an arm and a leg!───是啊。我打赌一个像那样的戒指可能要花掉一大笔钱！
3、Tom cost an arm and a leg yesterday for buying that trousers .───汤姆为了买那条裤子昨天大出血。
4、Candy : How could you afford it? It looks like it cost an arm and a leg.───坎蒂：你怎么负担得起？它看来要用一只手、一条腿来换，很昂贵啊。
5、IDIOM: Example: Jane's new dress looks very expensive. It probably cost an arm and a leg.───简的新裙子看上去很贵，可能要花很多钱。
6、The student's mother said, "Because the RMB is strong against the British pound, it will not cost an arm and a leg to send her abroad. "───学生的妈妈称：“因为人民币比英镑强，不必花费巨资就能送她出国。”
7、No irritation so far, rinsed smooth, and doesn't cost an arm and a leg.───目前为止还没有刺激或过敏，洗过之后很光滑。
8、George: And the opening act is Grooverider! The tickets cost an arm and a leg but it'll be worth it.───乔治：然后由“音轨骑师”开场！门票非常贵，但是会很值得。
9、Purchasing your dream car cost an arm and a leg, so it's essential to get your money back.───花大钱买辆梦幻座车，所以钱务必要花得值得。
1、She saw a beautiful coat but it cost an arm and a leg.
2、A week at a health farm can cost an arm and a leg.
3、I'd love to buy a Rolls-Royce, but they cost an arm and a leg.