strenuous   (Sound)

The strenuous has 2 Senses.

• strenuous
• characterized by or performed with much energy or force; "strenuous exercise"
• たくさんのエネルギー、力によって特徴のある、または実行された

• strenuous, arduous, straining
• 艱険, 過激
• 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
• 極力課税するさま