German phrase
Erzählen Sie mir von ~.
Meaning
Please tell me about ___
When to use it
It politely asks for details. Use it with people you do not know well.
Example dialogue
Erzählen Sie mir von Ihren Reisen.
Please tell me about your travels.
Gern, ich war letztes Jahr in Italien.
Gladly, I was in Italy last year.