相关句子：

What's the problem?

有什么问题吗？

What's troubling/bothering you?

什么事让你困扰/烦心？

What's on your mind?

你在想什么？

What are you so concerned/worried about?

你在担心/忧虑什么？

Why the long face?

为什么板着一张脸。

What's with the long face?

你板着脸干嘛？

Is everything okay/alright?

一切都还好吗？

It looks like something's bothering/troubling you.

看起来你正为什么事感到烦心/困扰。

What's going on?/What's up with you?

出什么事了？/你怎么了？

I'm really concerned/worried about it. 

我真的非常关心/担心这种事。

I couldn't sleep a wink. 

我一整夜都没合眼。

What could I have done with it?

我该怎么办？

I've got something that I need to talk to you about. 

我有些事情要跟你谈谈。

Conversation:

A: Hello, Mrs summers. This is Mrs Lee. John hasn't come home yet, and I'm getting a little concerned. What time did he leave there?

B: About an hour ago. But I wouldn't worry too much. You know how boys are.

A: Yeah, I know. But it usually only takes him thirty minutes to walk home.

B: Maybe he stopped off at a friend's house.

A: Yeah. Maybe you're right...Oh, wait. I think I hear the door opening now.

Notes:

1.It takes sb+一段时间+to do

例句：It takes her/him/us/me/you/them two weeks to finish the work.

这份工作花费了她/他/我们/我/你/他们两周时间完成。

2.stop off表示“中途逗留”

例句：I'll stop off in Paris for a few days to visit my cousins.

我将在巴黎停几天去拜访我的堂兄弟。

Translation:

萨默斯夫人，您好。我是李太太。约翰现在还没有回家，我有点担心。请问他是什么时候离开学校的？

大约一个小时以前。不过我觉得不用太担心，你知道他是男孩子嘛。

是的，我明白。但是他通常只要步行30分钟就能到家了。

他可能中途去朋友家了。

嗯。可能是这样。哦，等一下，我好像听到门开了。