Level 5 · word 9,098 of 20,000

arduous

/ˈɑːrdʒuəs/ American
  • adj. 费力的, 艰巨的
Definition
  • adj. needing great effort, difficult and tiring to do
Example
Climbing the steep mountain trail was an arduous task for beginners.
爬那条陡峭的山路对初学者来说是件苦差事。