A: Help, please. My key won't open the front door to my apartment. B: Oh, no. Let me try to help you. A: Thank you, but I don't think there's much you can do. B: Don't be so pessimistic. I'll help you unlock that door. A: I already tried using the key. There's no use in trying anymore. B: I have another idea. Care to hear it? A: Alright, I don't have any other options. B: Let me drive you to a locksmith. A: What good will that do? B: A locksmith can replace your key. The one you have now is probably broken. A: It's worth a try, I guess. B: There's the spirit! Come on, let's go.