基本解释adj.被侵蚀的；暗地里被破坏的动词undermine的过去式和过去分词形式.同根派生 英汉例句用作形容词 (adj.)Perversely, public policy even undermined the very things governments were trying to encourage.公共政策还暗地里对政府鼓励政策进行破坏。