어려움 - 어려운 도전

used to refer to something that is inexplicably difficult

매우 까다롭고 복잡함

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

어떤 것의 초기 단계에 있는 문제

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

매우 복잡한

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

거의 불가능한 일

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

매우 어렵거나 도전적인 일

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

거의 불가능한 작업

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

어렵거나 도전적인 일

a situation that causes difficulties for one

매우 어려운 작업

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

자신의 능력 밖의 일을 하는 것

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

체리처럼 붉은

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

the hardest or most boring part of a task or job

작업 중 가장 지루한 부분

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

아주 큰 도전

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

온 힘을 다해