French phrase
Et vous, qu'en avez-vous ~ ?
Meaning
And you, what did you ___?
When to use it
This asks for the other person's opinion. It is a mild, conversational way to ask for a reaction or evaluation.
Example dialogue
Et vous, qu'en avez-vous pensé ?
And you, what did you think of it?
Je l'ai trouvé intéressant.
I found it interesting.