difficulty
US /ˈdɪf.ə.kəl.t̬i/
UK /ˈdɪf.ə.kəl.t̬i/

1.
2.
obstáculo, reto
a thing that is hard to accomplish, deal with, or understand
:
•
He overcame many difficulties to achieve his goal.
Superó muchas dificultades para lograr su objetivo.
•
Solving this puzzle presents a real difficulty.
Resolver este rompecabezas presenta una verdadera dificultad.