indefatigable

形容词

1. 1

   不屈不挠的、不知疲倦的、孜孜不倦的正式

   She was an indefatigable campaigner for the rights of migrant workers.

   她是位不屈不挠的斗士，长年为移工权益奔走。

2. 2

   不厌其烦的、持久不衰的

   His indefatigable enthusiasm kept the whole team going.

   他那股不曾消退的热情带著整个团队撑了下来。