動(dòng)詞 undermine:

1. destroy property or hinder normal operations
   同義詞：sabotage, countermine, counteract, subvert, weaken
2. hollow out as if making a cave or opening
   同義詞：cave

1. Some Americans want to go further and undermine him(Gorbachev), even to encourage a breakup of the Soviet Union. That would only play into the hands of reactionaries, not help the reformers.
   有些美國人要進(jìn)一步削弱他(戈?duì)柊蛦谭?, 甚至鼓勵(lì)蘇聯(lián)解體。那僅能予以反動(dòng)派可乘之機(jī)，而無助于改革派。
2. Beware of the fifth column. They often infiltrate into key positions and seek to undermine the body politic from within.
   要提防隱蔽的敵人，他們經(jīng)常滲透到關(guān)鍵崗位企圖從內(nèi)部破壞國家政體。
3. An investigation carried out ostensibly to uncover subversive activities but actually used to harass and undermine those with differing views.
   政治迫害表面上是開展揭露顛覆的活動(dòng)，但實(shí)際上用于擾亂和削弱持不同看法的人的調(diào)查