介绍： 原文：Once they settle in, these insects start affecting your home. In addition to biting ants, other species can cause different kinds of damage. Some, like carpenter ants, can undermine a home structure, while others interfere with electrical units.

undermine: to make sth, especially sb's confidence or aut...

介绍： 原文：Once they settle in, these insects start affecting your home. In addition to biting ants, other species can cause different kinds of damage. Some, like carpenter ants, can undermine a home structure, while others interfere with electrical units.

undermine: to make sth, especially sb's confidence or authority, gradually weaker or less effective

Eg： This crisis has undermined his position.

undermine: to make sth weaker at the base, for example by digging under it