Yan Zhitui in the Northern Qi Dynasty wrote "Yan Family Health Training": "I hope to avoid the mountains and dust, and I will not see you." Tang Li Deyu's poem "The Boat" says: "Always sing in the sun, thank me for my detachment." Li Dongyang's Poems at the Foothills in the Ming Dynasty: "There are monks in the poem, and taking their Jing Ya can decorate the scenery; There are immortals, but they can set off the dust if they are chic and detached. "

2. Metaphor is humble.

Biography of Shu Wei and Li Xie: "Although you dusted me, I will reward Xu Yunxia. Leisure life, building a museum and taking the city as home. " "Biography of Heather, Liu et al.": "Or making the good old is one of its merits; Or climb the wind and cloud, stir its scales and feathers, salt can shake off the dust, pull me out, and I will seal it. "

3. Metaphor is filth or filth.

In the Southern Dynasties, Tao Hongjing's "Zhou Ghost Story" Volume 2: "The sunset glow is purple and the scenery is floating; Make dust directly on me and pour it on me. " Yi Yanzhou Poetry: "The true spring is a clean stream, lovely and gratifying, without any dust." Zhu Ziqing's Trace of Wenzhou II: "She is not mixed with dust, but a moist jasper, only clear."

4. Metaphor is impure

Now Zhu Ziqing's "Green": "She doesn't mix dust with me, just like a moist jasper, only clear-you just can't see through her!"