9. I'm afraid you've got the wrong extension.
恐怕您接错分机了。
还能这样说：
I'm afraid your extension number is wrong.
Sorry, I think you are switched to the wrong extension.
应用解析：
be afraid of doing sth./that...担忧或忧虑；恐怕；
be afraid for sth./sb. 担心……
10. Could I speak to Sue, extension 6225?
我可以找6225分机的苏吗？
还能这样说：
May I talk to Sue, extension 6225?
Can you help me to connect with Sue, extension 6225?
谚语：
Be swift to hear, slow to speak.
听宜敏捷，言宜缓行。
11. The line is free right now. I'll put you through.
不占线了，我帮您接过去。
还能这样说：
The line isn't engaged. I'll connect you.
The line isn't busy now. Let me get you through.
应用解析：
put away 抛弃，舍弃；
put out 熄灭；逐出；
put to 驶向岸边；
put up a bluff 故弄玄虚
12. Getting to you cost me rather long time.
好不容易才给你打通。
还能这样说：
I spent a lot of time connecting you.
It took me quite a long time getting you through.
应用解析：
at any cost 不惜任何代价，无论如何；
free of cost 免费；
know to one's cost 亲自体验到