2. This word expresses the author's lonely feelings through the lonely moonlight image. The first two sentences of the last movie create a lonely atmosphere when the moon is hanging on the tree in the dead of night; The last two sentences are not only authentic, but also strengthen the otherness of "friends" through the correspondence of human and bird images. In the following film, the author begins to look back on the past, embrace deep hatred and choose a destination by symbolic means, expressing the lonely situation of the author during his relegation to Huangzhou and his noble self-confidence and unwilling to go with the flow. (reasonable)