hot air

• Expression informelle désignant des discours vides, exagérés ou vantards sans contenu réel ; quelque chose qui semble impressionnant mais qui n'a aucune valeur.

An informal expression referring to empty, exaggerated, or boastful talk that has no real substance or meaning; something that sounds impressive but is actually worthless.

1. Empty talk or boastingB2informal

   Meaningless or exaggerated talk that lacks substance or truth.

   paroles en l'air

   • His promises turned out to be nothing but hot air.
   • Don't listen to him; it's all hot air.
   • The politician's speech was full of hot air.