2. Dark horses generally represent strong and excellent men in dreams. According to Freud's theory, biting you may mean that a man wants to be nice to you (it is normal to have certain physiological dreams at a certain age, and there may be dreams of being bitten by a dog, scratched by a cat and so on). ). Maybe you like a man and tell your sister to be careful. First, you are afraid that other girls will like your sister (the person in the dream may be body double, or another woman) and take the man away; Secondly, maybe you have some insecurities about this man.