猜猜她是谁用英语怎么说

"Guess who" is a phrase used to introduce a question about the identity of a person. It is often used in a playful or teasing manner. The phrase is of English origin and is commonly used in casual conversation.
Example:
"Guess who I saw at the mall today?" (猜猜我今天在商场见到了谁？)
"Guess who just called me?" (猜猜谁刚刚打电话给我？)
"Guess who's coming to dinner?" (猜猜谁来晚餐？)