The friends made by ordinary people are called "the friendship between cloth and clothes"; Making friends with rich people and people without money is called "the turn of the car"; Friends made in adversity are called "friends in need"; Friends who make friends by eating, drinking and having fun are called "friends of wine and meat"; Friends with great differences in age, different generations and deep friendship are called "friends who forget the year"; Friends who met in childhood are called "friends of bamboo and horses"; A friend with deep friendship is called a "bosom friend"; Close friends are called "the friendship between glue and paint"; Friends of life and death and * * * are called "friends of life and death"; Friends who are in love with each other are called "friends who never turn against each other"; A friend who doesn't change his friendship even if he beheads him is called a "friend in a pinch"; Friends who meet unintentionally are called "casual acquaintances"; Friends who support each other morally are called "friends of gentlemen"; Friends who have only met once and don't have a deep friendship are called "one-time acquaintances"; Only nodding to say hello, friends with no deep feelings are called "nodding acquaintances"; Friends who are dull and floating are called "casual acquaintances"; People who have met but are not familiar with them are called "half-friends"; In the old days, sworn brothers and sisters were called "eight friends"; Making friends is not too poor * and it is called "a friend who keeps friends"; Precious and valuable communication is called "the friendship between gold and jade".