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。