数九又称冬九九，是中国民间传统的冬季节气之一。它标志着寒冷的冬季进入最严峻的阶段，也是人们倒计时迎接新年的时刻。数九共有九个九天，这段时间内寒气逼人，气温低迷，给人们的生活带来了一系列的挑战和变化。

In Chinese folklore, "Shu Jiu" is also known as "Winter Jiu Jiu," and it is one of the traditional winter solar terms. It marks the coldest stage of the winter season and serves as a countdown to the upcoming new year. Shu Jiu consists of nine sets of nine days, during which the cold becomes intense, temperatures drop significantly, and people's lives undergo various challenges and changes.

在数九之中，人们要加强保暖措施，穿上厚实的衣物，戴上帽子和手套，以抵御严寒。同时，养生也成为人们关注的重点。根据中医养生理论，数九时期寒冷进攻人体，冰冻肌肉、筋脉。因此，人们会选择吃一些温补食物，如热汤、姜茶等，并进行适当的运动，以保持身体健康。

During Shu Jiu, people need to take extra measures to keep warm, such as wearing thick clothing, hats, and gloves to withstand the bitter cold. At the same time, health preservation becomes a key focus. According to traditional Chinese medicine, during Shu Jiu, the cold attacks the body, freezing muscles and tendons. Therefore, people choose to consume warm-tonifying foods, such as hot soup, ginger tea, and engage in appropriate exercise to maintain overall health.

虽然数九的天气寒冷，但这段时间也有其特色之处。在农村地区，人们会开展各种活动，以庆祝冬季的到来。例如，举办冬至饺子宴会、贴窗花、放鞭炮、唱冬歌等。这些传统活动既能增加团聚之乐，又能增添节日的氛围。

Although the weather during Shu Jiu is extremely cold, there are also unique characteristics during this period. In rural areas, people engage in various activities to celebrate the arrival of winter. For example, they hold dumpling banquets on the Winter Solstice, put up window decorations, set off firecrackers, and sing winter songs. These traditional activities not only bring joy in gathering but also add to the festive atmosphere.

数九的结束也意味着新年的临近。人们往往会在数九最后一个九天进行一些特殊的准备，如春节采购、大扫除等。这段时间内，大街小巷充满了忙碌的气息，每个人都在为新年做准备，期待着美好的开始。

The end of Shu Jiu also signifies the approach of the new year. People often make special preparations during the last set of nine days in Shu Jiu, such as Spring Festival shopping and thorough cleaning. During this period, the streets are filled with a busy atmosphere, with everyone getting ready for the new year and anticipating a fresh start.

数九又称冬九九，它不仅是冬季的一个重要节气，更是中国人民传统文化的一部分。通过经历寒冷的冬天，人们更加珍惜温暖与坚韧。数九的到来提醒我们，生活中的困难和挑战是无法避免和规避的，但只有坚持和勇往直前，才能迎接更美好的未来。

Shu Jiu, also known as "Winter Jiu Jiu," is not only an important solar term in winter but also a part of traditional Chinese culture. Through experiencing the cold winter, people learn to cherish warmth and resilience. The arrival of Shu Jiu reminds us that difficulties and challenges in life are unavoidable, but only by persevering and moving forward can we embrace a better future.

（翻译）

Shu Jiu, also known as "Winter Jiu Jiu," is not only an important solar term in winter but also a part of traditional Chinese culture. Through experiencing the cold winter, people learn to cherish warmth and resilience. The arrival of Shu Jiu reminds us that difficulties and challenges in life are unavoidable, but only by persevering and moving forward can we embrace a better future.