She worked indefatigably to interest children in music.

她孜孜不倦、积极热情地致力于激发孩子们对音乐的兴趣。

《柯林斯英汉双解大词典》

She seemed gentle, yet indefatigably determined to survive.

她看上很温和，却不屈不饶地对抗生存问题。

youdao

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。

youdao

Despite stultifying modern taboos, together, the Littmans worked indefatigably to educate humanity-non-Muslim and Muslim, alike-about the genocidal living legacy of jihadism.

CENTERFORSECURITYPOLICY: Center For Security Policy

What kept her going indefatigably for roughly a half-century in the dog-eat-dog newspaper business was her quiet, unstated, but fully justified certitude that she was making a difference with each layout and the creativity that made it compelling reading.

CENTERFORSECURITYPOLICY: In Honor of Mary Lou Forbes

Gary Oldman, who plays Dracula, is perfectly opaque and remote in the seduction scenes: he has no sex appeal. (As the old Dracula, leering wrinkedly beneath a crullerlike coiffure, Oldman has his moments, though.) The picture just keeps coming at us indefatigably, unstoppably, as if it were pursuing us through eternity, and it leaves us feeling mysteriously drained.

NEWYORKER: Bram Stoker��s Dracula