Y: I'm sorry I'm late.
Y:真抱歉,我遲到了。
X: Oh, that's all right. I just wondered what was keeping you.
X:哦,沒(méi)關(guān)系。我剛才還在想什么事把你耽擱了。
Y: The bus I took.
Y:是我乘的公交車把我耽擱了。
X: What do you mean?
X:怎么講呢?
Y: I took the wrong bus.
Y:我乘錯(cuò)車了。
X: Oh, did you? That's very easy to do.
X:哦,這樣啊?那是常有的事。