strenuous 

  1. 形容詞
費勁的, 費力的
耗費精力的
繁重的, 艱苦的
熱烈的, 激烈的
劇烈的
奮發的

    同義字詞
aggressive,assertive,dynamic,emphatic,energetic,forceful,full-blooded,muscular,resounding,vehement,vigorous,violent
arduous,Augean,backbreaking,challenging,demanding,difficult,effortful,exacting,formidable,grueling,gruelling,hard,heavy,herculean,killer,laborious,moiling,murderous,rigorous,rough,rugged,severe,stiff,sweaty,tall,testing,toilsome,tough,uphill

例句

  1. Trails range from easy to strenuous .
  2. We begin with the strenuous climb up Mt.
  3. His lifestyle had always been strenuous .
  4. This, however is a strenuous four hour trek.
  5. How strenuous and tiring are safari holidays?