Level 5 · word 11,211 of 20,000

laborious

/ləˈbɔːriəs/ American
  • adj. 费力的, 艰苦的
Definition
  • adj. needing a lot of time, effort, and hard work to do
Example
Cleaning the entire attic was a slow, laborious task.
打扫整个阁楼是一件缓慢又费力的活儿。