refute

1. V-T If you refute an argument, accusation, or theory, you prove that it is wrong or untrue. 駁倒[正式]

It was the kind of rumour that it is impossible to refute. 這是那種不可能推翻的謠言。

2. V-T If you refute an argument or accusation, you say that it is not true. 否認[正式]

Isabelle is quick to refute any suggestion of intellectual snobbery. 對于任何暗示她恃才傲物的話，伊莎貝爾都立即予以否認。