Could you do me a favor?
It depand.看情况而定。
I‘m a miser.我是个铁公鸡（小气鬼）。不帮的意思
Sure. No problem.
Could you help me? / Could you give me a hand?
It depands.
原文：http://7883830.blog.51cto.com/7873830/1616401
