cut your own throat

US /kʌt jʊər oʊn θroʊt/
UK /kʌt jʊər oʊn θroʊt/
"cut your own throat" picture
1.

cavarse la propia tumba, perjudicarse a sí mismo

to do something that will cause your own failure or downfall

:
If you refuse to cooperate with your team, you'll be cutting your own throat.
Si te niegas a cooperar con tu equipo, estarás cavando tu propia tumba.
Raising prices too much could cut your own throat by driving customers away.
Subir demasiado los precios podría perjudicarte al ahuyentar a los clientes.