Here's a breakdown of its meaning in an idiomatic dictionary:
Keep up the good work
* Definition: To continue doing something well.
* Usage: This phrase is typically used to compliment someone on their performance or achievements.
* Synonyms: Continue your excellent work, stay on track, keep it up.
* Example: "You're doing a great job on this project. Keep up the good work!"
It's important to note that "keep up the good work" is informal and typically used in spoken language. In more formal settings, you might use a phrase like "continue your excellent work" or "your dedication is commendable".