guide与lead的区别用法?

题目

guide与lead的区别用法?
例 I was Peter who lead the bind man down the seairs.
The manager guide the visitors round his factory yesterday.
lead 指走在前面带路
guide 通常用于给游客或需要特别帮助的人领路
我弄不明白上面那两个例句为什么不能通用?

答案

1) guide指充当向导,率先而行,对所走的路或所***事非常精通.
He guided the child across the forest.他领着孩子穿过森林.
2) lead指在前面带路,让别人跟着走.
He led us to a room upstairs.他把我们带到楼上的一个房间里.