clue
US /kluː/
UK /kluː/

1.
indice, piste, idée
a piece of evidence or information used in the detection of a crime or solving of a mystery
:
•
The police found a crucial clue at the crime scene.
La police a trouvé un indice crucial sur les lieux du crime.
•
I have no clue how to solve this puzzle.
Je n'ai aucune idée de comment résoudre ce puzzle.
1.
mettre au courant, rassembler
to give someone information that helps them to understand or solve something
:
•
Can you clue me in on what's happening?
Peux-tu me mettre au courant de ce qui se passe ?
•
The detective was trying to clue together the pieces of the mystery.
Le détective essayait de rassembler les pièces du mystère.