Eight Worship Friends: "Eight Worship" originally refers to the etiquette when children of ancient family friends meet their elders, and later refers to the relationship between brothers and sisters who become sworn brothers after meeting. A nodding acquaintance: refers to a friend who has no deep friendship and only nods to his face, also known as a "casual acquaintance". Friendship between cloth and clothes: friends of ordinary people. There is a saying in Records of the Historian Biography of Lian Po and Lin Xiangru: "I thought the friendship between cloth and clothes had not been bullied. Is it a big country? " A friend who is afraid of beheading will not change his mind. There is a saying in "The Biography of Lian Po and Lin Xiangru": "A single soldier is happy, and it is his turn to be embarrassed." "Friendship of neck and neck" can also be described as "friendship of life and death". Friends who never turn their backs on each other: it shows that they have the same heart and feelings. Master Zhuangzi: "The three men smiled at each other and never went against their will, so they became friends." It's Chu Jiu's turn: pestle, stick, mortar and stone mortar. It means not to be too poor to make friends. It is also called "making friends". Turn from car to hat: Taiping Yu Lan quoted the local custom in Zhouchu: "The more vulgar, the friendlier, that is, take off the towel on your head, untie the five-foot knife (waist) to make friends with it, kneel down to your wife and make friends. ..... I wish you: although you go to Dai Li by car, I will pick you up the day after tomorrow. " This kind of friend, no different from the nobility, has a profound friendship. Forgetting the turn of the year: friends with different ages and generations but deep friendship. Biography of Southern History He Xun: "Weak crown, stately scholar, South township model countermeasures, big reward, because of forgetting the year number, make friends." Corner: a friend I have known since I was a child. In the Book of Songs, children's bun was called "horn", and later people used to call childhood "total horn". Biography of He Shaochuan in the Book of Jin: "The word' Shu' respects ancestors and is not as good as martial arts." Friendship of bamboo and horses: friends who like to make friends when they are young. Bamboo horse, children like to ride bamboo poles as horses, so they are compared to children. "Biography of Shi Guo in the Later Han Dynasty" wrote: "When I first arrived at the brigade headquarters and arrived at the beautiful millet in Xihe River, there were hundreds of roes, each riding a bamboo horse to meet them." Once-in-a-lifetime acquaintance, eight-time acquaintance, a friend who never looks back, a friend who cares about the bag, and a friend who forgets me: refers to a bosom friend who is independent of identity and appearance.