If I were to use an analogy with someone as a way to explain something, but the subject of my analogy was beyond their knowledge, what might be the most concise phrasing to inform me that my analogy is a bad one specifically because the analogy is beyond the person I am speaking with.
Ex. If I were to use computer components to explain a concept to someone who has no knowledge of computers.
I see this kind of thing happen frequently in discussions about scientific things, such as climate change. With climate change, as an example, a scientist may attempt to explain their proof while a denier may not even understand how the "proof" came to be a guaranteed conclusion (therefore the scientist would be the one doing the concept I'm trying to describe).
Another, possibly better example, would be when trying to explain something to a child using concepts (or simply language) too sophisticated for the child to understand, you would be doing the thing I'm looking for.
for someone's benefit' orrepresenting someone', while on the part of someone can be roughly paraphrased as `by someone'. dictionary.com/browse/on--behalf--of