to give all of something, especially your time, effort, or love, or yourself, to something you believe in or to a person

He left the Senate to devote more time to his family. 为了能有更多时间陪伴家人，他离开了参议院。

She has devoted all her energies/life to the care of homeless people. 她为照料无家可归者倾注了全部心血／奉献了一生。

At the age of 25, he decided to devote himself to God. 他25岁时决定献身上帝。

to use a space, area, time, etc. for a particular purpose

Over half his speech was devoted to the issue of unemployment. 他那篇演讲用了一半多的篇幅讨论失业问题。

The report recommends that more resources be devoted to teaching four-year-olds. 该报告建议投入更多的资源用于4岁儿童的教育。