FAQs About the word strenuous

艱苦的

characterized by or performed with much energy or force, taxing to the utmost; testing powers of endurance

具有侵略性的,鄭重其事的,活躍的,自信的,有說服力的,動力性的 ,精力充沛,有力的,堅持的,肌肉的

模糊的,溫和的,不自信的,不強調的,弱的,模棱兩可的,有保衛,猶豫的,非重音,不令人信服的

strenuosity => 勤奮, strengthening => 加強, strengthener => 強化器, strengthened => 加強了, strengthen => 加強,