undermine a union
英 美
She herself has opted for a legal union instead of marriage, but she says she worries that it could undermine customs. "it's almost like playing a game."
她选择法律授权的结合,而不是正式婚姻,但她担心这样做可能破坏习俗,她说:“这几乎像在过家家。”
Some Americans want to go further and undermine him (Gorbachev), even to encourage a breakup of the Soviet Union.
有些美国人要进一步削弱他(戈尔巴乔夫),甚至鼓励苏联解体。