German phrase
Bei ~ besteht Verbesserungsbedarf.
Meaning
There is room for improvement in ___
When to use it
It signals room to improve. Often a tactful comment on skills or actions.
Example dialogue
Beideiner Aussprachebesteht Verbesserungsbedarf.
There is room for improvement in your pronunciation.
Ach so, was genau?
Oh, I see. What exactly?