cut your own throat

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

darsi la zappa sui piedi, rovinarsi con le proprie mani

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.
Se ti rifiuti di collaborare con la tua squadra, ti starai dando la zappa sui piedi.
Raising prices too much could cut your own throat by driving customers away.
Aumentare troppo i prezzi potrebbe darsi la zappa sui piedi allontanando i clienti.