差使

例句：

1. 1. He was assigned to do the heavy lifting for the construction project.
   他被分配去做这个项目的重体力工作。
2. 2. The policeman had a busy day, taking care of several urgent calls and responding to traffic accidents.
   警察很忙，处理了好几个紧急电话和交通事故。
3. 3. She decided to take on a new job as a teacher, despite her hectic schedule.
   她决定接受一份新工作，当一名教师，尽管她的日程安排很紧张。