1.provide sth for sb 为某人准备某物
The hotel provides a shoe-cleaning service for guests.
2.provide sb with sth 意思和第一个相同,宾语换了一下
The project is designed to provide young people with work.
3.provide against准备以防（不测）发生
Health insurance will provide against loss of income if you become ill.
4.provide for 为…提供,准备以防…
Without work,how can I provide for my children?
The commander failed to provide for an attack by sea.