Monica: And that would be? 那么原因是？

117. Joey: No, no, you can't go out there.
     不不，你不能去那儿。
118. Monica: Why not?
     因为…一个原因。
119. Joey: Because of...the reason.
     什么不能？
120. Monica: And that would be?
     那么原因是？
121. Joey: I, um, can't tell you.
     呃，我不能告诉你。
122. Monica: Joey, what's going on?
     Joey，怎么回事？
123. Joey: OK, listen, you gotta promise that you'll never, ever tell Ross that I told you.
     好吧，你必须保证你无论如何也不会告诉Ross是我跟你说的。

来自《老友记 第一季 第七集 大停电 Friends S01E07: The one with the Blackout》第 120 行