- they set off into the blue (ils sont partis à l'aventure)
- blue (conservative party
- blue (policeman)
- to be blue with cold
- blue / to feel blue (to feel depressed)
- blue movie (porn movie)
- to have a blue fit (piquer une crise de nerf)
- to shout blue murder (crier comme un putois)
- blues (depression)
- out of the blue (sans prevenir)
- bluebell (jacinthe des bois)
- blueberry (myrtille)
- blue blood (noble)
- blue-collar (worker)
- blue funk (sacrée frousse)
- bluegrass (des champs)
- blueprint (prototype)
- blue ribbon (de premiere classe)
- blue shark (requin bleu)
- blue whale (baleine bleue)