made it my business

• v. 将 ... 当作自己的任务

made it my business的用法和样例：

例句

用作动词 (v.)

1. Make it one's business to do sth.
   把某事当作自己的职责。
2. The new teacher has made it her business to meet the parents of every pupil in her class.
   新来的教师把认识她班上每个学生的家长当作自己的任务。