you together with your family and close friends
你和你的一切（包括你的家人和密友）
used to refer to someone (or something) known to the hearer without specifying their identity
那个人（或东西）（指不待明言便知所指是谁或什么东西）
the minister was later to be sacked by you-know-who.
部长后来被那个人解雇了，你知道他是谁。