词典解释
网络解释
一. 困难的；艰巨的；费力的
Something that is arduous is difficult and tiring, and involves a lot of effort.
e.g. ...a long, hot and arduous journey...
一段漫长、炎热而又艰苦的旅程
e.g. The task was more arduous than he had calculated.
这项任务比他所估计的要艰巨得多。
一.
一. 费劲的：alert 敏锐的;警惕的 | arduous 费劲的 | artistic 艺术的
二. arduous
二. 艰巨的; 努力的：arboreal 树木的; 树状的 | arduous 艰巨的; 努力的 | ascertain 查明, 确定
三. arduous的反义词
三. 艰巨的：Robust:强健的 | Arduous:艰巨的 | Gait:步态
四. 费力的：process 过程 | arduous 费力的 | admission 接收,录取
经典引文
Such an enterprise would be in the highest degree arduous and hazardous.
出自：Ld MacaulayThe next stage..was less arduous than he had been prepared for, and a relief from the lung-bursting strain of the ascent.
出自：J. HiltonShe found riding or pushing her bicycle uphill too arduous.
出自：M. Muggeridge近义词
临近词