The following are some of the lines and props in Act 4 of Thunderstorm: Lines: Zhou Puyuan: Is there anything else you want to say to me? 2 Fan Yi: Stop torturing me! Your behavior has already exceeded my tolerance! 3 Zhou Puyuan: Fanyi, you still have the cheek to speak here? Why did you seduce my wife? Fan Yi: I have already made my choice, you have no right to interfere! Zhou Puyuan: Don't you know that you're just a speck of dust in my house? Item: 1. Study: This is Zhou Puyuan's study. There are all kinds of books and stationery in it. 2. Fish tank: There are a few fish in this fish tank, which symbolizes the relationship between Fan Yi and Zhou Puyuan. 3. The piano: This piano is the main instrument in Act 4, symbolizing the emotional entanglement between Fan Yi and Zhou Puyuan.