French phrase
Qu'entendez-vous par ~ ?
Meaning
What do you mean by ___?
When to use it
Used to ask for the meaning of unclear wording. It is polite and can clarify intended meaning.
Example dialogue
Le rapport sera prêt demain.
The report will be ready tomorrow.
Qu'entendez-vous par prêt demain ?
What do you mean by 'ready tomorrow'?