burn your bridges
US /bɜrn jʊər ˈbrɪdʒɪz/
UK /bɜrn jʊər ˈbrɪdʒɪz/

1.
quemar las naves, cortar los puentes
to do something that makes it impossible to return to an earlier state or relationship
:
•
By quitting his job so angrily, he really burned his bridges with that company.
Al renunciar a su trabajo con tanta ira, realmente quemó sus naves con esa compañía.
•
Think carefully before you act; you don't want to burn your bridges.
Piensa bien antes de actuar; no querrás quemar tus naves.