A nodding acquaintance: a friend who just nods to say hello and has no deep feelings.

A casual acquaintance: I only know friends who are not very familiar.

A casual acquaintance: a friend who meets by accident.

A casual acquaintance: a casual acquaintance, a friend who meets by chance and gets together.

A casual acquaintance: refers to a friend who has an average relationship and has no deep friendship.

Make friends with the past: friends made in the past.

Corner: childhood friends.

Friendship of bamboo and horses: friends made when I was young.

At the turn of the century: a friend of lifelong friendship.

Near-re-embodiment: both father and son make friends.

Wu Ji's friendship: friends who gather for convenience and don't treat each other honestly.

Streets and alleys: make friends by business.

Friendship between wine and meat: refers to friends who have nothing to do but get together to eat, drink and have fun.

A kind of friendship between husband and wife: friends who don't care about rank, that is, rich people, make friends.

Make friends, regardless of rank.

Poor friends: friends you make when you are poor and humble.

Cloth friendship: communication between ordinary people.

Friends of gentlemen: friends who are plain-looking and value morality.

The turn of the garden: a metaphor for the friendship between people with high moral character.

Forget the turn of the year: a friend regardless of age who only values virtue and political integrity.

Friendship in Guan Bao: Friends with profound friendship and mutual trust.

A trustworthy friend.

Personal friend: a friend with deep friendship and intimacy.

Friendship among all parties: refers to the affection of old friends and brothers.

A stone's turn: a friend whose friendship is as deep as stone.

Friends of Jin Lan: Friends of brotherly friendship.

The turn of bamboo forest: refers to the seven sages of bamboo forest in Wei and Jin dynasties traveling under bamboo forest, which means close friendship.

A friend of yours: an informal and very close friend.

Close friend: refers to a friend who meets like an old friend.

A bosom friend: I know and appreciate bosom friends.

Heart-to-heart friend: a heart-to-heart friend who talks about everything

Forgotten friend: a friend who promises each other with heart and is informal.

Friendship from glue to paint: soul mates.

Like-minded friends.

Girlfriend: A very good friend with the same taste.

Close friend: a friend who can share life and death.

Brokeback friend: a friend who meets life and death.

Friends of life and death: friends who can live and die.

A friend in need: a friend through thick and thin.

Friends who lay down their lives: bosom friends with deep friendship.