相关单词近義詞 hard 硬的, actively 積極地, energetically 精力充沛地, spiritedly 有精神地, tirelessly 不厭倦地, persistently 固執地, vigorously 有力地, doggedly 固執地臨近詞strenuous, strenuous vibration, strenuous examination, strenuous practical dril 返回 strenuously