You can distinguish the word "two" and the word "rain" in the following ways.
1. The shape of the upper horizontal painting: the upper horizontal painting of the two characters is longer, and the length is generally equivalent to the two vertical paintings below, while the upper horizontal painting of the word rain is relatively short, and the length is not as long as the two lower vertical paintings. Half of the vertical painting.
2. Shape of the lower vertical paintings: The two lower vertical paintings of the two characters are generally equal in length and connected to the upper horizontal painting. However, the lower vertical painting of the word "rain" is not connected to the upper horizontal painting, and the length is the same as the upper horizontal painting. The horizontal painting is longer.