要我帮忙吗？的英文：
Can I help?

参考例句：

You seem to be having a spot of bother with your car can I help?
看来你的汽车有点让你伤脑筋了--要我帮忙吗

can是什么意思：
v. 能够，可以（情态动词）
n. 罐头；容器
v. 把（食品等）装罐保存

Canning Canning Beef can be satisfactorily preserved by canning if the proper procedures are used.
装罐如果装罐步骤正确,牛肉可很好地保存起来。

Dark thoughts can be softened when they can not be brightened.
阴郁的思绪在无法变得快活的时候可以获得安抚。

He that can have patience can have what he will.
唯坚忍者始能遂其意志。

—Can I come,too? —Of course you can.
—我也可以来吗？ —当然可以。

If you can' t open the box, can I have a try?
如果你打不开这个箱子，我能试一试吗？

help是什么意思：
v. 帮助；促进；搀扶；擅自拿走；有用；救命
n. 帮助；有帮助的人或物；有用；救助；仆人

It helps not to cram.
这无助于死记硬背。

Heaven helps those who help themselves.
上帝保佑那些自我帮助的人。

These not only help in presentation but also help orient users.
这不仅有助于表达，而且可以帮助使用者在创建时更好地定位。

Ask that lady to help you.
请那位小姐帮你忙吧。

They need our help.
他们需要我们帮助。