辛勤工作

• work like a horse
• plod
• ply
• plug (thumb screw)

例句

1. 那个抄写员辛勤工作来养家。
   The scribe worked hard to support his family.
2. 辛勤工作是通往成功之路。
   Hard work is the gateway to success.
3. 那需要很多的辛勤工作。
   It involves a lot of hard work.
4. 我愿借此机会感谢每一位为这个项目辛勤工作的人。
   I'd like to take this opportunity to thank everyone for their hard work on the project.