卖力地

例句：

1. 1. He worked hard to finish the project on time.
   他努力工作以按时完成这个项目。
2. 2. She sold her house for a good price.
   她以一个好价钱卖掉了她的房子。
3. 3. The teacher encouraged us to study diligently.
   老师鼓励我们勤奋学习。