['ɑ:djuəs]
arduous
a. 费力的,辛勤的,险峻的

词形变化:

名词:arduousness 副词:arduously

例句与用法:

  1. Negotiating a reduction in nuclear arms is a long and arduous undertaking.
    有关削减核武器的谈判是一项漫长而艰苦的工作
  2. He mastered these words through the arduous consultation of the dictionary.
    通过勤查字典,他掌握了这些单词。
  3. Although the work was arduous, he finished it in a short time.
    虽然这项工作很费力,他仍然很快就做完了。
  4. It's an arduous task.
    这是一项艰巨的任务。

英英解释:

形容词 arduous:

  1. characterized by toilsome effort to the point of exhaustion; especially physical effort
  2. 同义词:backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome
  3. taxing to the utmost; testing powers of endurance- F.D.Roosevelt
  4. 同义词:straining, strenuous
  5. difficult to accomplish; demanding considerable mental effort and skill