She vowed to herself that she would dedicate her life to scientific studies.

她默默地发誓要献身于科学研究。

《新英汉大辞典》

Exhausted by the obstacles, she says, she told herself, 'I'm not ready. I can't dedicate my life to this yet.

她说，在此过程中面临的种种障碍令她身心俱疲，于是她告诉自己，“我还没有准备好，无法献身于这个事业。”

youdao

In order to dedicate herself solely to me, she never married, and, in a sweetly sly way, she never let me marry either so as not to have to share her protectorate.

NPR: Excerpt: 'Borges and the Eternal Orangutans'