Dormir en gendarme = To sleep with one eye open.
Dos
*Il ne se laisse pas manger la laine sur le dos = He is not the man to let himself be made a fool of; He will not allow people to take the food out of his mouth; He will not tamely submit to any imposition.
Le juge les a renvoyés dos à dos = The judge nonsuited them both.
Il fait le gros dos = He gives himself airs.
En dos d’âne = Sloping on both sides, sharp-ridged.
Je me suis mis le juge à dos = I have made an enemy of the judge.
J’en ai plein le dos (pop.) = I am sick and tired of it.
Il a bon dos = His back is broad enough to stand a good deal.