Clement = Est-ce que tu es libre ce soir ? On peut aller au restaurant.
Sandrine = Non ma chérie (if answering to Clément, should be 'Non <u>mon</u> chér<u>i</u> ) . On a du pain sur la planche.
A- On a du pain sur la planche = we've got a lot to do. B- On a la tête dans les nuages = we got our heads in clouds (we think about something else..) C - on a raison = we're right. D- On a la tête sur les épaules = we know what we're doing...
Sorry I don't have the correct English translation for these idioms.