Sisyphean
adjective /ˌsɪsɪˈfiːən/
/ˌsɪsɪˈfiːən/
- (of a task
任务 不可能完成的；永无休止的 词源From the Greek myth in which Sisyphus was punished for the bad things he had done in his life with the never-ending task of rolling a large stone to the top of a hill, from which it always rolled down again.