1. I need a little help.
2. Could you help me out?
3. Could you give me a hand? (usually used for physical tasks)
4. Could you spare a couple minutes?
5. Could you do me a favor?

Science Facts
People used to use white lead powder to make their skin look white and beautiful, but it gave them lead poisoning and slowly killed them. As their skin looked worse once the poison took effect, they used more white lead to cover up the damage.      .. More >>