Xie Cao: Speaking of Xie Lingyun's poem "Climbing the pond upstairs": "Spring grass grows in the long pond, and the garden willows become songbirds." The word "Spring grass grows in the pond" is novel and magical. Jin Yuanhao asked "Thirty Poems" 29: "Spring grass in the pool Xie Jiachun, five words are new through the ages."
Zheng Lan: During the Spring and Autumn Period, Zheng Wengong's concubine tern dreamed that an angel gave her an orchid and later gave birth to Mu Gong (see Zuo Zhuan Gong Xuan for three years). Later, "Zheng Nvhua" refers to orchids. Wu Qin Ye Wei's poem "Sun Mingchang paints orchids": "Xie Jiashu is so beautiful that Zheng Nvhua can shine in the bridal chamber."
Yan: Yanshan Mountain. Today in Beijing.
Osmanthus fragrans: A classic in Dou Yanshan's Godson. Dou was a native of Youzhou in Song Dynasty. Because the land belongs to Yan, it is named Yanshan. His five sons, Yi, Yan, Kan, Luo and Nuo, were all promoted to the subject (there is a saying that "the five sons were promoted to the subject"), and later they were all famous ministers and college students.
The words "grass", "orchid" and "osmanthus" in this sentence are all the names of flowers and trees, and they all take care of the sentence that "the house is full of flowers" to describe the prosperity of the family.
The second couplet is generally interpreted as Tang poetry: a poem and a song in the Tang Dynasty. Calligraphy in Jin Dynasty. Chinese: refers to the prose of the Han Dynasty. All three reflect the literary and artistic achievements of that period.
This pair of couplets, with words and allusions, is to express their feelings and show the feelings of "writing in Chinese style and conveying gifts with poems".