The new car costs an arm and a leg, but it's worth every penny.

这辆新车非常昂贵，但每一分钱都值得。

Getting a professional to fix that old computer will cost you an arm and a leg.

请专业人士修理那台旧电脑会非常昂贵。

I love the style of this handbag, but it costs an arm and a leg.

我喜欢这个手袋的风格，但它非常贵。

Their wedding was beautiful, but it cost them an arm and a leg.

他们的婚礼很美，但花费了他们一大笔钱。

Rent in this area costs an arm and a leg compared to other neighborhoods.

这个地区的租金相比其他邻里非常高。