She worked indefatigably and enthusiastically to interest the young in music.为了激发年轻人对音乐的兴趣，她一直孜孜不倦、积极热情地工作。Pursue your object, be it what it will, steadily and indefatigably.不管追求什么目标, 都应坚持不懈.She watched the show indefati...

indefatigably的音标：indefatigably的英式发音音标为：[ˌɪndɪ'fætɪɡəblɪ]indefatigably的美式发音音标为：[ˌɪndɪ'fætɪɡəblɪ]...

adv.不厌倦地，不屈不挠地...