A: There’s a question I’m not sure whether it issuitable to ask.

有个问题，我不知道能不能问。

B: You know that I have no secrets toward you.

你知道我对你可没什么保密的。

A: When you go dinner with John, who feets the bill?

你和约翰出去吃饭时，是谁付账的?

B: Why asking that? It’s often the sort of Dutch treat.

问着干什么?一般都是各付各的。