strenuous

形容词 strenuous:

1. characterized by or performed with much energy or force
2. taxing to the utmost; testing powers of endurance- F.D.Roosevelt
   同义词：arduous, straining

1. He always took the waters at Parr after his strenuous social season.
   社交忙季过后他常去矿泉胜地帕尔疗养。
2. I'll appreciate your strenuous effort to promote the sale in your market on commission basis.
   如果您在代理的基础上，在市场上为我们的产品尽全力促销的话，我将非常感谢您。
3. Nothing Bush tries works. In fact, everything hurts. His strenuous September campaigning sliced five points off his approval rating, which is at37 percent and heading south.
   布什的努力全然无益。事实上，反而有害。他九月份奋力竞选，民意测验赞许率降低5点，目前是百分之三十七，仍在下降。
4. He made strenuous attempts to stop her.
   他为阻止她作出了极大的努力。