脫口說英語口語生活習(xí)語大全T-18：to and fro 來來回回
A:Why are you walking to and fro in the room?
A:你為什么一直在房間里來回地走啊?
B:I'm worrying about the children. After all this is the first time they're been out without us.
B：我為孩子們擔(dān)心，畢竟他們是第一次離開我們，走出家門。
A:Don't worry. They are grown-ups.
A：別擔(dān)心，他們已經(jīng)長大了。
B:I know. But I couldn't help.
B:我知道，但還是情不自禁。
