What is the omen that Duke Zhou dreamed that the tortoise bit his leg?

Dreaming that the tortoise bites: there will be unexpected income. It is feasible for women to dream that turtles bite people, but be careful of obstacles. Men dream that turtles can have good luck.

Women dream of turtles, beware of thieves and robbers.

Businessmen dream that turtles can make a fortune doing business abroad. Tourists dream that turtles will stay in cities far from home for a while.