Hong, that is, wild geese, also known as geese. Cao Zhi "Luoshen Fu" with "fluttering like a stunning, graceful as a swimming dragon" to depict the beauty of Luoshen. Later on, it was used to describe a woman's posture as light as a goose. Lu You, a poet of the Southern Song Dynasty, first married Tang Wan, and the qin and sepals were in harmony, and the relationship was strong, but his mother was not pleased, and finally the two were separated. Ten years after a late spring, revisited the Shen Garden, unexpected encounters, Lu You infinite melancholy, Tang Wan for the toast, Lu You reminiscent of the past, can not help but give a word a que. Entitled "hairpin phoenix": "red crisp hands, yellow vine wine, full of spring color palace wall willow. The east wind is bad, the love is thin, a pocket of sadness, a few years away, wrong, wrong, wrong. The spring is as old as ever, but the people are empty and thin, the tear marks are red and the mackerel is raw silk. Peach blossom falls, idle pool pavilion, although the mountain alliance, brocade letter is difficult to trust, Mo, Mo, Mo." Tang Wan was very sentimental, also and "hairpin phoenix" words, soon died of depression and sorrow. Qingyuan two years (1196) Lu You has been 72 years old, and tour Shen Garden, see things hurt feelings, that is, made two of the seven absolute, entitled "Shen Garden": "the city on the slanting sun painting corner sad, Shen Garden is not back to the old pool platform. Sad bridge under the spring wave of green, was once a stunning shadow to shine." Shocked, describing the lightness of Tang Wan's body. Shining shadow, refers to the green water under the bridge reflects the beautiful figure of Tang Wan. Later on, some people also used the word "stunning" to depict the swordsman's posture: "The swordsman's posture dances with the movement of the sword in the air, as if he were a stunning goose, as if he were a swimming dragon."

From the above, we can see that the word "stunning" has a long history. "A glimpse," a quick look. "A glimpse", meaning a quick glance, without looking closely, without delving into the situation. "Glimpse" seems to be similar to the meaning of "shadow", but the emotional color is stronger.