1. In retrospect, the Chinese idiom is spelled f ǔ j ī nzhu ī x ī. It means to be exposed to the current situation; Think back to the past. From Qing Dynasty, Ping Buqing, Volume V of "Xia Wai Jiao Sha".
 2. Origin
 The fifth volume of Qing · Ping Buqing's "Ode to the Fragments beyond the Clouds": "I can trace the past through the present without feeling sad."
 Qing Dynasty, Xu Yuanjiu's "Ci Yuan Cong Tan": "Yuan Li reflects on the past; can't help but write four verses of Huanxi Sha."
 Liang Gong in the Qing Dynasty's Zhou Dynasty wrote "A poem about the banana hall": "Look back at the past and sigh for a long time. I remember a dignitary who saw this picture and was surprised to say, 'Is it appropriate for the hall to be named as a banana?"
 Qing Dynasty · Zhou Lianggong's "After Inscription of Chrysanthemum Calligraphy": "Look back to the past, and tears will be felt on the back of the paper."
 Gao Yang's "The Prequel of Cixi": Looking back on the past and hesitating, King Gong couldn't help crying.