сбивать с толку, используя специальную терминологию(confuse someone by using technical language that they are not likely to understand: I think he decided to blind us with science because he didn't want us asking any difficult questions.lop20)
это вам не ракеты в космос запускать(used to say that you do not think that something is very difficult to do or to understand; тж. см. It's not brain surgery Taras)