第一、迷你对话

A: Why are you walking to and fro in the room?

为什么一直在房间里走来走去的?

B: I’m worrying about the children. After all this is the first time they have been out without us.

我为孩子们担心。毕竟他们是第一次离开我们，走出家门。

A: Don’t worry. They are grown-ups.

别担心了，他们已经长大了。

B: I know. But I couldn’t help.

我知道，但是我忍不住。