According to the Guangyun (Guangyun), it is pronounced tu li qie, and according to the Jiyun (Jiyun), it is pronounced ting li qie, with the same pronunciation as "di". The Guangyun (Guangyun) explains it as rain. In the Jiyun (Jiyun), "du du" describes the appearance of rain. In addition, according to the Yupian (Yupian), it is pronounced li zui qie, with the same pronunciation as "lei". Furthermore, according to the Jiyun (Jiyun), it is pronounced tu wo qie, with the same pronunciation as "du". The meaning is the same.