If someone or something confounds you, they make you feel surprised or confused, often by showing you that your opinions or expectations of them were wrong.
例句
He momentarily confounded his critics by his cool handling of the hostage crisis...他对人质危机的冷静处理一时让批评者们惊讶不已。The choice of Governor may confound us all.州长的选择可能会让我们所有人感到困惑。