undermine
US /ˌʌn.dɚˈmaɪn/
UK /ˌʌn.dɚˈmaɪn/

1.
socavar, minar
to make something, especially someone's confidence or authority, gradually weaker or less effective
:
•
The constant criticism began to undermine her confidence.
La crítica constante comenzó a socavar su confianza.
•
His rivals tried to undermine his authority.
Sus rivales intentaron socavar su autoridad.
2.
socavar, minar
to excavate beneath the base of a wall or building so as to make it collapse
:
•
The engineers had to undermine the old bridge supports to replace them.
Los ingenieros tuvieron que socavar los antiguos soportes del puente para reemplazarlos.
•
The heavy rains began to undermine the foundations of the house.
Las fuertes lluvias comenzaron a socavar los cimientos de la casa.