you just don't get it

(one) just doesn't get it

One does not understand at all, often despite one's best efforts or intentions. The phrase typically refers to something that affects the speaker emotionally. A: "Your history teacher says you've been skipping class." B: "She just doesn't get it. Learning about this topic has been filling me with anxiety." A: "It stinks that you're injured right now, but there's always next year." B: "You just don't get it—so many scouts are coming out for the championship that it's a huge missed opportunity!" I just don't get it, Beth—why would you do something so reckless?
See also: get, just

you just don't get it

You don't understand. The statement often refers to something that affects the speaker emotionally. A: "It stinks that you're injured right now, but there's always next year." B: "You just don't get it—so many scouts are coming out for the championship that it's a huge missed opportunity!"
See also: get, just
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

You just don't get it!

Inf. You really don't see what people are trying to tell you! (Also with subjects other than second person.) You just don't get it! People avoid you because you offend them.
See also: get, just
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

you just don't get it

see under get it, def. 2.
See also: get, just
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
You go through the motions of school, doing fine in one class but completely floundering in another, believing the whole time that you just don't get it. Or, worse, that you're not good enough at math or don't read well enough for literature.
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