be confusing or perplexing to; cause to be unable to think clearly; "These questions confuse even the experts"; "This question completely threw me"; "This question befuddled even the teacher"
To throw into confusion or disorder; to perplex; to strike with amazement; to dismay
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. The choice of Governor may confound us all