Dificultad - Desafíos difíciles

used to refer to something that is inexplicably difficult

muy desafiante y complejo

problems that a person encounters in the early stages of a project or activity

Problemas en las primeras etapas de algo.

said of something that is very complex or difficult for one understands or work with

muy complicado

(of a task) to be very difficult or almost impossible to do or complete

algo que es casi imposible de hacer

a difficult fight or challenge that requires a lot of effort and determination

tarea muy difícil o desafiante

a task or challenge that requires an immense amount of effort, strength, or endurance to accomplish

tarea casi imposible

a difficult and challenging situation or task that requires significant effort to overcome or complete

tarea difícil o desafiante

a situation that causes difficulties for one

tarea muy desafiante

to attempt to do something that is beyond one's capability

el que mucho abarca poco aprieta

turning really red in the face because of doing a lot of physical activities

tan rojo como una cereza

used to describe a job or task that is too difficult or challenging

the hardest or most boring part of a task or job

parte más aburrida de una tarea

a situation that is very difficult because one is not prepared to deal with it

reto muy grande

to utilize one's final and decisive efforts, often in a critical moment

usando todas las fuerzas