形容詞 tireless:

1. showing sustained enthusiastic action with unflagging vitality
   同義詞：indefatigable, unflagging, unwearying
2. characterized by hard work and perseverance
   同義詞：hardworking, industrious, untiring

1. That from the last ding-dong of doom and clang had faded from the last worthless rock hanging tireless in the last red and dying evening, that even then, there will be one more sound, that of his puny and inexhaustible voice still talking.
   說(shuō)即使最后一次鐘聲已經(jīng)消失，消失的再也沒有潮水沖刷的映在落日余暉里的海上最后一塊無(wú)用礁石之旁時(shí)，還會(huì)有一個(gè)聲音，人類微弱的、不斷的說(shuō)話聲，這也很容易。
2. We salute you for your tireless efforts for peace.
   我們?yōu)槟趯で蠛推椒矫孀龀龅牟恍概ο蚰硎揪匆狻?/div>
3. He was above all a good and tireless writer.
   他首先是位優(yōu)秀的、不知疲倦的作家。