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?