(1) The author uses images such as "locust willow", "wild path", "heron", "frog", "dragon" and "wooden pen" to create a quiet and profound artistic conception, expressing the author's leisurely mood. The feeling of loneliness.
(2) ① Combination of movement and stillness. The first couplet starts from the description of a still scene, and the chin couplet describes the dynamic scenery of "herons" and "croaking frogs" based on what we see and hear; the neck couplet shows static bamboos and flowers, but what arouses our imagination is that they are growing and changing all the time. The dynamic scenery and objects in it. ② Combining distance and nearness. The first sentence of the first couplet is written from the big picture, lakes and mountains, outlining the environment, and the writing style is open; the second sentence is about the living room, and the writing style is slightly closed. The first sentence of the chin couplet is written about the lake, which is the scenery in the distance; the second sentence of the neck couplet is about the courtyard, which is the close scenery. ③Contrast (set off). In the first sentence of the couplet, the egret is leisurely and calm, which brings out the tranquility of the environment and fills the picture with a tranquil atmosphere; in the second sentence, the frogs are everywhere, making a noise and boiling, using sound to contrast the silence, exaggerating the tranquility.
(As long as the meaning is correct)