A: Here you are. I couldn't find you anywhere.
A: 你在這兒？我到處都找不到你。
B: I have been here all long.
B: 我一直都在這兒。
A: Come on. Let me buy you lunch.
A: 走吧，我請你去吃中飯。
B: Why?
B: 為甚麼？
A: You are a guest here.
A: 你是客人。
B: Oh, thank you. But you really don't have to do it.
B: 噢，謝謝你，但你真的不需要這麼做的。
A: It's all right. Let's go.
A: 沒關係，走吧！
