Il s’est donné un tour de reins = He sprained his back.
Il a les reins solides = (lit.) He is strong; (fig.) He has a long purse.
Réjouir
C’est un gros réjoui = He is a big jolly fellow.
Remède
*À chose faite point de remède = What is done cannot be undone.
[“Factum est illud: fieri infectum non potest.”—Plautus.]
Gros Jean qui en remontre à son curé = Hodge tries to teach the Parson how to preach; He teaches his grandmother to suck eggs.