We can get some information about the height of the actors in " Celebrating Years." Zhang Ruoyun's height was 181 cm, and Li Qin's height was 166 cm. However, the height information of the other actors was not found in the search results. Therefore, I'm not sure about the height of the other actors.
There are many actors named Nani around the world. Without more details, it's difficult to talk about his love story. Maybe you can add some information like which movie industry he is from or some of his famous works to help clarify.
Si Lili was played by Li Chun. As for Li Chun's height, the search results did not mention any specific height information, so it was impossible to determine Li Chun's height.