- We went first to the Forbidden City. Afterwards, we went to Coal Hill behind the Forbidden City.
- The farmer that Li Zicheng leads uprise army captures Beijing, emperor of the Chongzhen Emperor hangs dead coal hill.
- It used to be a hillock at the very beginning of the Yuan Dynasty and was then called the Green Hill. As the place was once heaped with coal, hence the name Coal Hill.
- We need to replenish our stocks of coal.
- She piled on more coal before the fire go out.
- I add the coal on the flame continuously.