stren·u·ous /ˈstrɛnjəwəs/
 (a.)奮發的,熱心的,熱烈的,緊張的


 Stren·u·ous a.  Eagerly pressing or urgent; zealous; ardent; earnest; bold; valiant; intrepid; as, a strenuous advocate for national rights; a strenuous reformer; a strenuous defender of his country.
    And spirit-stirring wine, that strenuous makes.   --Chapman.
    Strenuous, continuous labor is pain.   --I. Taylor.
 -- Stren*u*ous*ly, adv. -- Stren*u*ous*ness, n.

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 strenuous
      adj 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 [syn: arduous, straining]