It means: On that night when Wu Yan was as white as snow, the scissors in Bingzhou were as cold as water.

This sentence comes from "Youth's Journey: The Knife is Like Water" by the Song Dynasty poet Zhou Bangyan. The specific original text is as follows:

The knife is like water, Wu Yan beats the snow, and the delicate hand breaks the new orange. . The brocades are beginning to warm up, and the smoke from the beasts is constantly rising. They sit opposite each other and tune the sheng.

I asked in a low voice who I was going to spend the night with. It was already three o'clock in the city. The horses are slippery and the frost is thick, so it is better to leave. It is a journey with few people.

This poem, through the vivid portrayal of the woman's unique tone, describes the subtle psychological state of the subject in a tortuous and profound way, and traces the author's own experience in the Qin Tower and Chu Pavilion, which is very easy to describe. The first film depicts the beauty's warm hospitality from the male's perspective, expressing his affection for the woman. The next film expresses emotions in a narrative way, and uses the woman's tone to convey emotions. It has layers and twists. The character's mood is melodious, the psychological activities are subtle, the portrayal of the characters and the description of life details are very delicate and lifelike.

This word describes the travel life and the relationship between men and women in the upper class society at that time. The whole word accurately captures the most typical details of breaking the orange, playing the sheng, and whispering, embodying deep affection in ordinary trivial matters, and creating a lingering mood.

Zhou Bangyan (1056-1121), a famous poet in China in the late Northern Song Dynasty, was born in Qiantang (now Hangzhou, Zhejiang), Han nationality, with the courtesy name Meicheng and the name Qingzhen Jushi. He has been an official of Taixue Zheng, a professor of Luzhou, and an acquaintance of Lishui County. During the reign of Emperor Huizong, the Huiyou Pavilion was waiting to be established and promoted to Dasheng Mansion. He is proficient in music and has created many new lyrics and tunes. Most of the works are about love affairs and travel, and there are also works that sing about objects. Metrically rigorous. The language is elegant and elegant. Long tunes are especially good at telling narratives. It was followed by later metrical poets. In the old days, he was called the "top poet" in poetry theory. There is a "Halal Collection" handed down from generation to generation.