Ever feel like the words coming out of a character could belong to anyone?
Like this?
That's your area of intention.
"You just don't get it do you?" is ambiguous.
Pick an area of intention and rewrite it to be unambiguous
Within the area of intention, what words and sentence structure would your character use?
Here's an unambiguous, specific take on "You just don't get it do you?"
It is "You just don't get it do you."
tl;dr - dialogue specific to the character and their area of intention is memorable.
Have I clarified this for you, dearie?
See what, I'm talkin' about?
Come on, maggot! This isn't rocket science!
Blink once for yes, twice for no.
Thank you for coming to my TEDtalk