What does it mean to beat turtles in Cantonese?

Playing turtle means gambling in Cantonese. "Beating a turtle" in Cantonese is slang, which means "gambling". The word comes from the ancient tortoise shell, and the ancients predicted good or bad luck by observing the cracks on the tortoise shell. Later, this prediction method gradually evolved into a form of gambling, that is, gambling with tortoise shells. Therefore, "playing turtle" has become synonymous with gambling in Cantonese.