French phrase
Je ne comprends pas.
Meaning
I don't quite understand.
When to use it
A polite way to say that something is unclear. It can invite clarification without sounding abrupt.
Example dialogue
Nous avons prévu deux réunions pour ce projet.
We have scheduled two meetings for this project.
Je ne comprends pas. Pouvez-vous préciser les objectifs ?
I don't quite understand. Could you clarify the objectives?