German phrase
Darf man ~ berühren?
Meaning
Is it okay to touch ___?
When to use it
A polite permission question. Use it before touching an object.
Example dialogue
Darf man das Gemälde berühren?
Is it okay to touch the painting?
Nein, bitte nicht, es ist sehr empfindlich.
No, please don't. It is very delicate.