strenuous
英 ['strenjʊəs]美['strɛnjuəs]
- adj. 紧张的;费力的;奋发的;艰苦的;热烈的
英英释意
- 1. characterized by or performed with much energy or force;
- "strenuous exercise"
- 2. taxing to the utmost; testing powers of endurance;
- "his final, straining burst of speed"
- "a strenuous task"
- "your willingness after these six arduous days to remain here"- F.D.Roosevelt