"对我的帮助很小"英语怎么说啊?

It's of little help to me.
It's hardly helpful to me.
两个都可以，就是用名词help的时候，一定要写of （little） help，用helpful的时候就直接it's helpful就行了

It's of little help to me.

It's just a little help to me.

It helps me little.

It doesn't work on me.

It's useless for me