out of the blue

• Expression idiomatique signifiant que quelque chose se produit soudainement, de façon inattendue ou sans avertissement.

An idiomatic expression meaning something happens suddenly, unexpectedly, or without any warning.

1. UnexpectedlyB2informal

   Happening suddenly and without any warning or preparation.

   à l'improviste

   • She called me out of the blue after ten years.
   • The job offer came completely out of the blue.
   • He quit his job out of the blue, surprising everyone.