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。
柯林斯例句
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.
互联网
She watched the show indefatigably.
她毫不厌倦地观看着演出.
互联网
Have a cause, have ideal, have pursuit. Try hard indefatigably to strive for for it.
有目标, 有理想, 有追求. 并为之不懈的努力争取.
互联网
"she watched the show indefatigably"