arduousness

['ɑ:djuəsnis]

n. 艰巨, 艰苦, 艰辛

例句与用法：

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

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。

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。

It's an arduous task.

这是一项艰巨的任务。

词形变化：

副词: arduously | 名词: arduousness |