1. Are the lines overloaded? 线路超负荷了吗？

2. The number is busy now. 电话现在占线。

3. I'm calling from another line. 我现在是在用另一个电话打给你。

4. His extension number is 958. 他的分机号是958.

5. I've been busy on the phone. 我一直在通话。

6. Hold on and I'll transfer for you. 稍候，我会帮您转接过去。

7. I can't get a proper dialing tone. 我得不到正常的拨号音。

8. Do you have a coin for the phone? 您有打电话的硬币吗？

9. Is there a surcharge for a local call? 打市内电话需不需要另外加钱？

10. There is a phone booth in the corner. 在转角处有个电话亭。

重点讲解：

overloaded 使（电路）超负荷，使超载
例句：Do not overload your first page. 但是不要让首页的信息承载量太大。
extension number 分机号码
surcharge 额外费用，附加费
例句：What's the surcharge on this express parcel? 这个快邮包裹的额外邮资是多少？
booth 不受妨碍的封闭空间（如电话亭、投票间等）
例句：The two of us were cramped in the booth. 我们俩挤在电话亭里。

实战演练
A: Hello! 你好!
B: Hello! This is the operator of Hotel Kunlun. May I help you? 您好，这里是昆仑饭店总机，您要接哪里？
A: Yeah, I'd like to call my friend. He stays in Room 1012 here. Could you put me through? 我想接到我朋友的1012房间，您帮我转接好吗？
B: Oh, I'm afraid I cannot transfer calls from the house phone. 恐怕我这里无法为您转接内线电话。
A: Then what can I do? 那可怎么办呢？
B: For room-to-room calls here, just dial the room number directly. 对于酒店内房间与房间之间的电话直接拨打房间号就可以了。
A: It's so easy. By the way, how can I get through to a friend of mine in Bejing Hotel? 这么简单哪。顺便问一下，我怎么才能给住在北京饭店的朋友打通电话呢？
B: Well, for calls inside the city, please dial 9 first and then the phone number. 打市内电话，请先拨9，然后再拨电话号码。
A: I see. Then how about outside the city? I want to call Shanghai. 知道了。还有怎么打到本市以外呢？我想打去上海。
B: For calls outside the city, please dial 0 first, then the area code and the number. 打市外电话，请先拨0，再拨区号和电话号码。
A: Fine. Thanks a lot. 好的，多谢了。
B: You're welcome. 不必客气。
put through 接通电话
calls inside the city 市内电话
calls outside the city 长途电话
international calls 国际长途
area code 区号