The hike up the mountain was an arduous challenge.
爬山是一项艰难的挑战。
Completing the marathon was an arduous task for him.
对他来说，完成马拉松是一项艰巨的任务。
The journey through the desert proved arduous and exhausting.
穿越沙漠的旅程被证明是艰苦的且令人疲惫。
Studying for the exams was an arduous process.
为考试学习是一个艰辛的过程。
Training for the triathlon is an arduous endeavor.
进行铁人三项训练是一项艰难的努力。
The construction work was arduous but rewarding.
这项建筑工作虽然艰苦但很有回报。
Writing the novel was an arduous journey for the author.
对作者来说，写小说是一段艰难的旅程。
The project required arduous attention to detail.
这个项目需要艰苦的细节关注。
He found the negotiations to be arduous and stressful.
他发现谈判是艰难的且充满压力。
The climb to the summit was an arduous expedition.
登顶是一场艰苦的探险。
arduous task 艰巨的任务
arduous process 艰难的过程
arduous climb 艰难的攀登
arduous effort 艰苦的努力
arduous work 艰辛的工作
arduous training 艰苦的训练
副词: arduously;
