untiring detail不懈的
Untiring Virtue不懈美德
untiring efforts不懈的努力
untiring g不懈既
Untiring Pace不倦步伐
untiring energy不会衰竭的精力
Untiring service竭诚服务
untiring perseverance顽强的毅力
untiring exertion孜孜不倦的努力
ADJ（形容词） If you describe a person or their efforts as untiring, you approve of them because they continue what they are doing without slowing down or stopping. (人、努力)不知疲倦的 [usu ADJ n] [表赞许]
...an untiring fighter for justice, democracy and tolerance.
...一位不知疲倦的为公正，民主和宽容而奋斗的斗士。