形容词
中文翻译：努力的
同义词：
['exhausting', 'laborious', 'arduous例句：1. The hike was strenuous', 'and I felt exhausted by the end of it.（这次徒步旅行很费力，我走到最后时感到非常疲惫。）']
例句：
-
1. The hike was strenuous, and I felt exhausted by the end of it.
这次徒步旅行很费力，我走到最后时感到非常疲惫。
-
2.The research was strenuous, but she persevered through countless hours of data collection.
这项研究非常费力，但她坚持了无数个小时的数据收集工作。
-
3.The construction project was strenuous, requiring constant attention to detail.
这个建筑项目非常费力，需要不断关注细节。