Il a eu gain de cause = He gained the day.
Un avocat sans cause = A briefless barrister.
Vous êtes hors de cause = You are not concerned in the matter; This has nothing to do with you.
Il est sujet à caution = He is not to be relied upon.
[Caution, meaning “bail,” implies that he cannot be trusted except on bail.]
A ce que je vois = As far as I can judge.
Ce que je sais, c’est que c’est un voleur = All I know is that he is a thief.
Sur ce il s’en alla = After that he went away.