German phrase
Können Sie ~?
Meaning
Could you ___?
When to use it
A polite request. Use it with strangers or people senior to you. It can sound formal with friends.
Example dialogue
Können Sie das Formular ausfüllen?
Could you fill out the form?
Ja, gern. Ich fülle es gleich aus.
Yes, I'd be happy to. I'll fill it out right away.