Duck means surprise, distrust and sigh in Sichuan dialect. Sichuan dialect is a distinctive dialect. In fact, the dialects of Yunnan, Guizhou, Sichuan and Chongqing are all similar, and they are all pronounced in Chinese characters, but the pronunciation is different from that of standard Mandarin. However, the dialects spoken in Chongqing, Sichuan today are not handed down from Cuba, but mainly from Hunan and Hubei.