holy grail

• Expression désignant quelque chose d'extrêmement difficile à trouver ou à obtenir, souvent considéré comme le but ultime ou la plus haute réalisation dans un domaine donné. À l'origine, il s'agit du Saint Graal de la légende arthurienne, objet sacré recherché par les chevaliers.

An expression referring to something that is extremely difficult to find or obtain, often representing the ultimate goal or the highest achievement in a particular field. Originally derived from the legendary Holy Grail of Arthurian myth, a sacred object sought after by knights.

1. Legendary cupB2formal

   In medieval legend, the cup or dish used by Jesus at the Last Supper, sought by knights.

   Saint Graal

   • King Arthur's knights searched for the Holy Grail.
   • The Holy Grail is a central object in Arthurian legend.
   • Many stories describe the quest for the Holy Grail.

2. Ultimate goalB2informal

   Something that is extremely difficult to find or achieve, but is highly desired.

   Graal

   • Finding a cure for cancer is the holy grail of medical research.
   • For many investors, a guaranteed high return is the holy grail.
   • The holy grail of physics is a unified theory of everything.