untiring 

英汉解释

adj. 不知疲倦的；不屈不挠的；坚持不懈的

同义词

a. hardworking，industrious，tireless

参考例句

1. "Standard Methods" as published today is the product of the untiring effort of hundreds of individuals.
现今公布的“标准方法”是几百个独立的单位坚持不懈努力的结果。
2. Quality first reputation first, consumers first, pursue being outstanding, remarkable people a untiring one persistent and pursuing.
质量第一、信誉第一、用户至上、追求卓越，是卓越人不懈的执着与追求。
3. In a word, Zhou Zuo-ren advocated and insisted on humanitarianism in which be had made untiring efforts for "people's" awakening and establishment.
总之，“五四”前后的周作人是人道主义的倡导者和坚持者，他为“人”的觉醒和确立作出了不懈的努力。

英英解释

adj.
  1. characterized by hard work and perseverance

网络释义

untiring
不懈的; 不疲倦; 不倦; 不倦的;
Untiring Pace
不倦步伐;
unremitting untiring
不懈的;
Untiring service
竭诚服务;
tireless untiring
不倦;