Idioms expressing deep friendship: acquaintances of eight worshippers, returning home with white heads, close friends, high friendship, drinking water from the same river, meeting each other late, irreversible acquaintances, friendship in robes, breeze is high Friendship, the same as before, the breeze is high, the friendship is deep, the affection is deep, life and death are not easy, life and death are not the same, cut off the neck to meet each other, look at each other and smile, never go against the heart, the heart is in harmony, the friendship between Zhilan and Orchid