What are the four-character idioms used in naming?

Pengcheng Wanli? [péng chéng wàn lǐ]

Interpretation: According to legend, the roc can fly thousands of miles. A metaphor for a bright future.

Source: "Zhuangzi·Xiaoyaoyou": "Peng's disciples are in Nanming; the water hits three thousand miles; the one who is swept up ninety thousand miles."

Huai Jin Hold Yu?[ huái jǐn wò yú ]

Interpretation: It is a metaphor for a person’s pure and noble character.

Source: "The Songs of Chu·Nine Chapters·Huaisha" by Qu Yuan in the Warring States Period of Chu: "Huai Jin holds Yu in his hands; he is too poor to show off."

Bingqingyujie?[ bīng qīng yù jié ]

Definition: as clear and transparent as ice, as white and flawless as jade. It is a metaphor for a person's pure conduct (mostly used for women).

Source: Han Dynasty Sima Qian's "Book of Yu Zhi Boling": "Fu Wei Boling's talents are outstanding; he is noble in his aspirations; he is good at turning his body; he is pure and pure; he does not conduct meticulously."

Curling Autumn Moon?[ bīng hú qiū yuè]

Interpretation: ?A metaphor for whiteness and purity. Mostly refers to a person's character.

Source: Yuan Dynasty Liu Yin's poem "Drinking Zhongcheng Nian Ladle": "Drinking in wine makes you unconscious; curling in the autumn moon and Kunlun Peak."

Wise and brave? [zhì yǒng shuāng quán ]

Definition: Cunning and brave.

Source: The third chapter of "The Banquet of the Five Marquises" by Guan Hanqing of the Yuan Dynasty: "A certain man knows three strategies in literature, understands six Tao in martial arts, and is both wise and courageous."