This is the 3404th most frequent Spanish word.
difíciles
"Difíciles" means "difficult" or "hard" (plural).
Here, 'difíciles' describes the noun 'tareas,' indicating the level of challenge they present.
Estas tareas son muy difíciles.
These tasks are very difficult.
In this sentence, 'difíciles' modifies 'caminos,' conveying that the paths are challenging.
Los caminos difíciles suelen llevar a destinos gratificantes.
The difficult paths often lead to rewarding destinations.
'Difíciles' in this instance qualifies 'exámenes,' emphasizing the challenging nature of the exams.