"you are confusing me with the other candidate"
"I mistook her for the secretary"
"These questions confuse even the experts"
"This question completely threw me"
"This question befuddled even the teacher"
"The constant attention of the young man confused her"
"She jumbles the words when she is supposed to write a sentence"
"Her remarks confused the debate"
"Their words obnubilate their intentions"