查词历史：

unflagging unfertile unfathomable

unflagging
[英] [ʌnˈflægɪŋ] [美] [ʌnˈflæɡɪŋ] 生词本

adj.

  • 柯林斯高阶英汉双解学习词典

  • 英英释义

1. ADJ （支持、努力、热情等）不懈的，持续的 If you describe something such as support, effort, or enthusiasm as unflagging, you mean that it does not stop or get less as time passes. 

  • He was sustained by the unflagging support of his family...

    他得到了家人不断的支持。

  • ...unflagging optimism...

    不变的乐观

  • The book is not one word too long and its narrative pace is unflagging.

    这本书文字简洁，叙事流畅。

Adjective

1. showing sustained enthusiastic action with unflagging vitality;

  • "an indefatigable advocate of equal rights"
  • "a tireless worker"
  • "unflagging pursuit of excellence"

2. unceasing;

  • "unfailing loyalty"
  • "unfailing good spirits"
  • "unflagging courtesy"