Performers believe that if they accidentally use the "s" word in conversation, something unfortunate will soon befall their troupe, and their performances are sure to go poorly. If they see a snake at a time when they are engaged for performances, they have to make an offering of incense right away.
藝人們認為要是不小心說溜了嘴，那近日內戲班必定會發生事故，演出也會不順利，演出期間要是看到了蛇，也必須要趕快燒香拜拜。