German phrase
Was kann ich ~?
Meaning
What can I do to improve ___?
When to use it
Asks how to improve something. It is useful when seeking practical advice.
Example dialogue
Was kann ich an meinem Deutsch verbessern?
What can I do to improve my German?
Deine Aussprache ist gut, an der Grammatik kannst du noch arbeiten.
Your pronunciation is good, but you can still work on the grammar.