strenuous

adjective

/ˈstrenjuəs/

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needing great effort and energy费力的；繁重的；艰苦的 synonym arduous
- a strenuous climb艰难的攀登
- Avoid strenuous exercise immediately after a meal.刚吃完饭避免剧烈运动。
- How about a stroll in the park? Nothing too strenuous.在公园里散散步怎么样？不会太累的。
- Avoid tasks which require strenuous physical activity.避免从事繁重的体力活动。
Topics Health and Fitnessc2
showing great energy and purpose劲头十足的；奋力的；顽强的
- The ship went down although strenuous efforts were made to save it.尽管人们为营救这条船作了很大的努力，它还是沉了。
- The plan has met with strenuous opposition.该计划遭到强烈反对。

Word Originearly 17th cent.: from Latin strenuus ‘brisk’ + -ous.