相关单词同義詞intense, tough, rough, 近義詞 active 活躍的, arduous 費力的, energetic 精力旺盛的, laborious 艱苦的, hard 硬的, vigorous 精力充沛的, difficult 睏難的, rugged 高低不平的, intense 強大的, rough 粗糙的, exhausting 疲倦的, painful 痛苦的, tiresome 令人厭倦的, troublesome 令人煩惱的, taxing 費力的, tiring 令人疲倦的, demanding 要求多的, backbreaking 非常辛苦的, tough 強硬的, determined 堅定的, spirited 精神飽滿的, tireless 不知疲倦的, persistent 堅持的, dogged 頑固的, straining 拉緊臨近詞stress, strengthen, strenuously, strenuousness, strenuous test, strenuous object, strenuous labour, strenuous workers, strenuous activity, Strenuous training, strenuous opponent, strenuous exercise相似詞streetwise, strength, strengthen, strengthen sb's hand idiom, strep, strep throat, streptococcus, stress, 返回 strenuous