Difficulté - Des défis difficiles

used to refer to something that is inexplicably difficult

très difficile et complexe

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

problèmes aux premiers stades de quelque chose

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

très compliqué

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

quelque chose qui est presque impossible à faire

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

tâche très difficile ou exigeante

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

tâche presque impossible

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

tâche difficile ou exigeante

a situation that causes difficulties for one

tâche très difficile

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

être trop ambitieux

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

rouge comme une cerise

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

the hardest or most boring part of a task or job

partie la plus ennuyeuse d'une tâche

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

très gros défi

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

utiliser toutes ses forces