German phrase
Was halten Sie von ~?
Meaning
What do you think of ___?
When to use it
A polite opinion question. Use it to ask for someone's view of a person or thing.
Example dialogue
Was halten Sie von unserem neuen Kollegen?
What do you think of our new colleague?
Er wirkt kompetent, aber ich möchte ihn noch besser kennenlernen.
He seems competent, but I would like to get to know him better.