Chuanchuan is the spoken expression of Chongqing. Pronunciation is the first word to read, and the second word to read softly. Chuanchuan has a negative meaning in Chongqing and Sichuan dialects. Generally speaking, it is swearing, impolite and has various uses. It can be used to quarrel, swear and express dissatisfaction. For example, if you know Sichuan, it means you don't know anything. You don't know.