laborious
🇺🇸
/ləˈbɔːriəs/
🇬🇧
/ləˈbɔːriəs/
adjective
R
needing a lot of time and hard work
Sorting through all the papers was a laborious task that took many hours.
整理所有文件是一項需要大量時間和艱苦工作的任務，花費了許多小時。
translation
費力的