You did the course. You can read a news article. Then someone in a shop says nine words to you and it is a wall of noise. This is the single most common thing learners of Norwegian write to me about, and it is not a sign that you are bad at languages.
Norway has two written standards, bokmål and nynorsk. Your textbook is almost certainly bokmål. But bokmål is a way of writing. It is not a way of speaking that anyone grew up doing.
What Norwegians speak is their dialect — the one from where they are from. And unlike most of Europe, Norway never decided that one of those should win. Dialects are used on the national news, in parliament, in job interviews, by newsreaders and by surgeons. Speaking your own dialect at work is completely normal and carries no stigma.
So there is no "standard spoken Norwegian" waiting for you once your listening gets good enough. The variation is the language.
It is less chaotic than it feels. A handful of things move, and once you know which ones, most dialects stop being surprising.
None of this is something you memorise from a table. You get it by hearing the same sentence enough times that the sound, not the spelling, is what your ear reaches for.
Norwegian is a pitch-accent language. The melody a word is said on can change which word it is. Bønder (farmers) and bønner (beans) are built from the same sounds and separated by pitch. So are plenty of other pairs.
English speakers hear this as Norwegians "singing". It is not decoration — it carries meaning, and it is one of the reasons a sentence you can read perfectly well goes past you when it is spoken.
You will not fix that by studying pitch. You fix it by hearing the melody attached to whole sentences, over and over, until your ear expects it.
The usual advice is to get your grammar solid first and worry about listening later. For Norwegian that is backwards — it produces people who can conjugate and cannot converse.
In the app every sentence has audio and you control the speed, the pause and how many times it repeats — so you can sit on one line until it stops being noise. In lessons we do it live, which is harder and works faster.
Longer than you want and less long than it feels. The turn usually comes suddenly: months of catching fragments, then a week where sentences start arriving whole. Almost everyone describes it that way, and almost everyone quits somewhere before it.
Knowing that the wall is normal, and that it is caused by something real about Norwegian rather than by you, is most of what gets people past it.
All 64 islands have native audio on every sentence, with adjustable speed and repeat-until-it-sticks. It is free.