black art

• Phrase désignant un savoir-faire, une technique ou un domaine de connaissance qui semble mystérieux, obscur ou difficile à comprendre, souvent en sous-entendant un lien avec des pratiques complexes ou ésotériques.

A phrase referring to a skill, technique, or area of knowledge that is mysterious, obscure, or difficult to understand, often implying that it involves complex or esoteric practices.

1. Magic or sorceryB2formal

   The practice of magic, especially for evil purposes; witchcraft.

   Art noir

   • The villagers believed he practiced black art.
   • Legends often speak of wizards who use black art.
   • She studied black art in secret.

2. Complex or mysterious skillC1informal

   A skill or activity that is very difficult to understand or master, often considered mysterious.

   art noir

   • Understanding quantum physics is a black art to most people.
   • Good negotiation is a black art that few truly master.
   • The art of making perfect coffee is a black art.