be devoted to

例句：

1. 1. She isdevoted to her work and has never complained about the hours she spends at the office.
   她非常投入工作，从未抱怨过她在办公室里度过的小时数。
2. 2.The team is devoted to achieving excellence in their field.
   这个团队致力于在其领域取得卓越成就。
3. 3. He is devoted to his studies and hopes to graduate with honors.
   他致力于学习，并希望以优异成绩毕业。