C’est la mouche du coche = He is a regular busybody.
[La Fontaine, Fables, vii. 9, imitated from Æsop.]
Cochon
Nous n’avons pas gardé les cochons ensemble (pop.) = We have not been dragged up together.
[The reply to a man who presumes upon acquaintance, and needs putting down.]
Cœur
À contre cœur = Reluctantly.
À cœur joie = To one’s heart’s content.
De gaieté de cœur = Out of sheer wantonness.
Il l’a fait de bon cœur = He did it willingly.