英文成语：cost an arm and a leg

非常昂贵

例句：Eating in this restaurant will cost you an arm and a leg. You’ll have to pay tens of Yuan for even a soup of cabbage and bean curd. 

这个饭馆太宰人了。一个白菜豆腐汤也得要上几十元。 

 

图片来源：视觉中国