estropear

Cuando se estropeaba algo, Gunther Holtorf era capaz de arreglarlo con las herramientas y las casi 400 piezas de repuesto que llevaba consigo.	When something broke down, Gunther Holtorf was able to repair the problem using the car tool kit and the around 400 spare parts he took along with him.
A menudo se estropeaba sin razón aparente e iba excepcionalmente lento.	It crashed often for no apparent reason and was exceptionally slow.
La mitad de las veces que la conducía, se estropeaba.	Half the time he drove it, it broke down.
De hecho, podemos decir que ellos fueron los que vieron el vino se estropeaba durante el viaje.	Unfortunately the wine would spoil during the journey and that's why they began distilling it.
Yo recuerdo que en mi niñez, cuando se estropeaba un aparato de radio o algo así, se mandaba a reparar.	I remember when I was a child, if a radio or something got broken, it was sent to be repaired.
Al principio las bolsas Ziploc se comercializaban como estuches para lápices, hasta que un participante de quinto curso de la Feria nacional de ciencia de EE. UU. demostró que la comida no se estropeaba tan rápidamente en las bolsas herméticas.	Initially, Ziploc bags were marketed as pencil carriers, until a fifth-grade participant in the US National Science Fair proved that food did not spoil as quickly in the air-tight bags.
Cuando yo era niño, si un trozo de pan se caía al suelo y se estropeaba, antes de dárselo a los animales, mi madre me obligaba a besarlo.	When I was a child, if a piece of bread fell on the ground and was wasted, before giving it to the animals my mother made me kiss it.