D-1:devote oneself to 献身于
A:What are you going to do when you grow up?
A:你长大了想干什么?
B:I'm going to be a teacher.
B:我想当老师。
A:A teacher? Then you must devote yourself to the education.
A:老师?那你必须献身教育。
B:I will.
B:我会的。