Help translate a joke (from Chinese to English)

One night, a female college student in the people of a lake, all of a sudden feel that someone taking pictures of her shoulders, to her past, to see a ghost, said: "Xue-mei, I do not have legs." Primary school girl ignored him to continue to take, but also all the way with her ghost, and in the ears can not in an ominous tone, said: "I do not have legs, feet... I did not" think Henfan primary sister, the ghost of the past to shout: "What about legs! I have no chest framework of! "