惯用单句
1.我能帮忙干点什么吗？
Anything I can do to help?

2.要是我能帮忙就告诉我。
Let me know if I can help.

3.你有空吗？
Do you have a moment?

4.谢谢你的帮忙。
Thank you for all your help.

5.你愿意帮忙真好，可是喔真的不想麻烦你。
It's kind of you to offer help,but I really don't want to trouble you.

6.我非常感谢你对我的帮助。
I'm most grateful to you for your help.

7.如果你还需要什么的话，请尽管说。
If there's anything you need, please don't hesitate to ask.

8.如果你需要帮忙的话，我就随叫随到。
I'm here if you need me.

9.你能帮我把这箱子帮到楼上吗？
Could you help me go upstairs with this suitcase?

情景对话
A:Do you have a moment?

B:Sure.What do you need?

A:I'm having some trouble. I don't know how to use this printer. I've never seen this kind of office printer before. Is it a new brand?

B:Yes, we just got it and it is fabulous. Well, first you have to turn this switch on.

A:Silly me!

B: Now press this button.

A: Oh,it's out of paper. Do you have any more?

B:Just a second. I'll go get some. Then you need to send the file.Make sure you choose the right printer. We have a few here and you're hooked up to all of them.

A:Which one is this?

B:It's the Canon.