1. Friendships of forgotten years

2. Friendships of adversity

3. Comrade

4. Moral friendship

Also: Brother Ji You: a metaphor for deep friendship and strong loyalty.

Friends of Jinlan: refers to close friends.

Freshwater friendship: Friendship is as clear as water

Moral friendship: Refers to friends who help and support each other.

Love is deep in the pond: a metaphor for deep friendship.

Eight worship acquaintances: The relationship between old friends and becoming brothers.

Late to know each other: describes new friends who are very agreeable.

Intimate friends: Refers to very good friends.

Deep affection and friendship: deep feelings and friendship.

I am ashamed to be your confidant.

Eternal green: It means that a noble spirit or deep friendship will never disappear.

A friend who cuts one's neck to death: a metaphor for friends who can share life and death, and endure hardships.

Looking at each other and never rebelling against each other: Describing the deep friendship between each other, there is nothing against them.

Heart-to-heart friendship: a friendship that is congenial and knows each other well.

Bai Zongzhi: means old friend.

Friends with pestles and mortars: It is a metaphor for making friends regardless of wealth or status.

Calling brother to brother: Friends refer to each other as brothers. Describes a close relationship.

Casual acquaintance: a friend who has no deep friendship.

Fan Zhang Chicken Millet: a metaphor for the meaning and affection between friends.

Guan Baozhijia: often used as a metaphor for a close friend.

Friends in times of need: Friends who have experienced hardships together.

Golden Orchid Deed: It is a metaphor for the deep friendship between friends.

Reunion of the old rain: refers to old friends meeting again.

The falling moon on the roof beam: a metaphor for missing friends.

Friends of poverty and humbleness: intimate friends made in times of poverty.

As close as brothers: Describes the deep friendship between friends.

Congeniality: refers to friends having the same thoughts and congenial temperaments.

Close friend: refers to a confidant and reliable friend.

Know each other well: Refers to good friends who have always understood each other.

Yi Qie Tai Cen: describes like-minded people with deep feelings.