Well there will probably be a variety of answers, depending on how you mean it.
If you say "Good Work" as a praisal of some good work done, you just say "Godt arbejde". It is just the literally translation actually.
They say godmorgen.
You can say "Hav en god dag" in Danish to mean "Have a good day."
Good Morning.
"Godnat"
det var godt
Hvordan er dit arbejde?
Det her er mit arbejde.
"Det lyder godt"
spiser edderkopper
Er den bog god?
Min dag er god.
In Danish, you say "God rejse" to wish someone a good trip. This phrase can be used in various contexts when someone is about to travel. It's a simple and friendly way to express your good wishes for their journey.