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

动词
1.
2.
挖空, 侵蚀
to excavate beneath the base of a wall or building so as to make it collapse
示例:
•
The engineers had to undermine the old bridge supports to replace them.
工程师们不得不挖空旧桥墩以进行更换。
•
The heavy rains began to undermine the foundations of the house.
大雨开始侵蚀房屋的地基。
在 Lingoland 学习这个单词