arduous 

  1. 形容詞
艱鉅的, 艱苦的
費力的, 困難的
努力的, 使勁的
陡峭的, 難攀登的

    同義字詞
Augean,backbreaking,challenging,demanding,difficult,effortful,exacting,formidable,grueling,gruelling,hard,heavy,herculean,killer,laborious,moiling,murderous,rigorous,rough,rugged,severe,stiff,strenuous,sweaty,tall,testing,toilsome,tough,uphill
burdensome,challenging,demanding,exacting,grueling,gruelling,killing,laborious,onerous,persnickety,taxing,toilsome

例句

  1. It's a long, arduous process.
  2. It is a long and arduous task.
  3. This has been an arduous duty for you.
  4. An arduous way to spent a day, we know.
  5. However , it has been an arduous journey.