形容詞 strenuous:

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

1. He always took the waters at Parr after his strenuous social season.
   社交忙季過后他常去礦泉勝地帕爾療養(yǎng)。
2. I'll appreciate your strenuous effort to promote the sale in your market on commission basis.
   如果您在代理的基礎上，在市場上為我們的產品盡全力促銷的話，我將非常感謝您。
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.
   布什的努力全然無益。事實上，反而有害。他九月份奮力競選，民意測驗贊許率降低5點，目前是百分之三十七，仍在下降。
4. He made strenuous attempts to stop her.
   他為阻止她作出了極大的努力。