...a long, hot and arduous journey.
一段漫长、炎热而又艰苦的旅程
The task was more arduous than he had calculated.
这项任务比他所估计的要艰巨得多。
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。