strenuous
Word family nounstrenuitystrenuosityadjectivestrenuousadverbstrenuously
stren·u·ous /ˈstrenjuəs/ adjectiveadj 1 DIFFICULTneeding a lot of effort or strength 艰苦的;费力的,费劲的 The doctor advised Ken to avoid strenuous exercise. 医生建议肯避免剧烈运动。
2 DETERMINEDactive and determined 积极的,坚决的 Sherry’s been making a strenuous effort to lose weight. 谢里在努力减肥。
—strenuously adverbadv Barrett strenuously denied rumors that he would resign. 巴雷特竭力否认他要辞职的传言。
Origin strenuous (1600-1700) Latin strenuus