1: Bamboo Horse: Bamboo pole used as a horse for children to ride on. A good friend since childhood.

2: Cut one's neck to cut one's neck; cut one's neck: friendship, friendship.

3: Close friend refers to a confidant and reliable friend.

4: The friendship between Jinlan and Lan is as solid as gold and stone.

5: Friendship between gold and stone: friendship. Friendship as solid as gold and stone

6: Personal friendship is as close as one person. Describes deep friendship.

7: A close friend: a close friend who has no conflict and a harmonious relationship; a close friend who is made in poverty.

8: Friends in times of need: friendship, friends. Friends who have been through hardships together.

9: The friendship between Guan and Bao In the Spring and Autumn Period, Guan Zhong and Bao Shuya from Qi knew each other best. It is often used as a metaphor for a close friend.

10: A close friend who is a close friend regardless of his identity or appearance.

11: A close friend who is not of the same age but becomes a friend.

12: Friend of the poor and humble: a close friend made in poverty.

13: Moral friendship: friendship, friendship. Relationships and friendships that are ethical and have a sense of justice. Refers to friends who help and support each other.

14: Eight Bowings: Eight Bowings: Originally refers to the etiquette of ancient family friends and children visiting their elders; Friendship: Friendship. The relationship between old friends and brothers.

15: Friendship between gentlemen The friendship between wise men is as plain as water and is not vain.

16: The intersection of pestle and mortar. Pestle: wooden stick for pounding rice; mortar: stone mortar. It is a metaphor for making friends regardless of wealth or status.

17: Casual acquaintance, a friend who has no deep friendship.

18: Nodding acquaintance means that the friendship is very shallow, and it is just a nod when meeting.

19: First-time acquaintance is a friendship that has only been met once. Metaphorical friendship is very shallow.

20: The acquaintance between you and you: The ancients called each other "you" to express intimacy

Another: Inseparable and inseparable, as close as brothers and sisters. Friendship lasts forever, and we feel like old friends at first sight. We treat each other with sincerity and treat each other with sincerity.