Tao Jin Qian Aiju, Song Zhou Dunyi Ailian, Song Lin Bu Aimei and Ting Jian Ailan are collectively called four loves. See Yuan Yuji's Preface to Four Loves.
Word decomposition
The interpretation of four is four names, three plus one (the word "four" is often capitalized on banknotes and documents): four sides. All around. Four orders (namely "four seasons"). Four bodies (a. refers to human limbs; B. It refers to four fonts: Kai, Cao, Li and Zhuan. Si ku (four ancient books: synonymous with classics, history, books and collections). Also known as "four"). The explanation of the four gentlemen's love has deep feelings for people or things: love. Love. Love. Love. Caressing. Compassion. Love. I can't help you (I am sympathetic and willing to help, but I can't). Friendship. Love. Kindness and love. Love. Favorite (love): hobby (love). Love singing. Simple: