devoted to

• 专心致力于 ...

devoted to的用法和样例：

例句

1. He is devoted to his country.
   他对国家尽忠。
2. He was at one time so devoted to piano playing.
   他曾经那么沉迷于弹钢琴。
3. She is devoted to her studies.
   她专心于她的学习。
4. He is devoted to his studies.
   他专心于学问。