La expresión de esta semana "costar un riñón" es una expresión popular que se utiliza para designar que algo es muy caro, que cuesta mucho dinero, más de lo que uno puede pagar.
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To mooch, live by your wits
Vivir del cuento
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
It's a bargain
Cuatro chavos
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To be worth it
Valer la pena
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To cost an arm and a leg
Costar un riñón
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
Don't look a gift horse in the mouth
A caballo regalado, no le mires el dentado
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
What a crook!
¡Qué chorizo!
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
The post-holiday budget crunch
La cuesta de enero
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
The shoemaker's son always goes barefoot
En casa del herrero, cuchillo de palo
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
On a silver platter
En Bandeja de Plata
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To pay (on time) religiously
Pagar religiosamente
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To be stingy
Ser de la Virgen del Puño
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To tighten your belt
Apretarse el cinturón
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To fork out (the money)
Soltar la mosca
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To live in style
Vivir a todo tren
![](https://nsc.newsinslow.com/images/news/expressions/nsss/topic/category-14.jpg)
To make a fortune, a killing
Hacer el agosto