indefatigableKK [ˏɪndɪˋfætɪgəbəl] /ˌɪndɪˈfætɪɡəbəl/發音形容詞1不屈不撓的、不知疲倦的、孜孜不倦的正式She was an indefatigable campaigner for the rights of migrant workers.她是位不屈不撓的鬥士,長年為移工權益奔走。2不厭其煩的、持久不衰的His indefatigable enthusiasm kept the whole team going.他那股不曾消退的熱情帶著整個團隊撐了下來。