地道英语对话：Getting the Deposit Back(2)

A: I have to move.
B: You have not fulfilled your lease agreement yet.
A: I can’t stay here anymore.
B: There’s a problem with that.
A: What is the problem?
B: I won’t be able to give you back your deposit.
A: Why not?
B: This was stated in our agreement.
A: But I need it back.
B: I can’t do it.
A: It will be impossible for me to stay here.
B: That’s not my fault.