1.离我的朋友远一点
keep away from my friend 是可以的,还有get away from my friend
2.离那个墙远一点,因为那墙有可能会倒塌.
Please keep(get) away from the wall,cause it might fall down.
3.leave me alone不干涉某人
How can you leave alone?你怎麽能一个人离开?
I cannot leave him alone.我不能把他单独留下.(留下)
I'll leave you alone.我会让你自己一个人.(使.处于某个状态)
But you leave him alone!但是你必须离开他!(使.处于某个状态)
Will you leave me alone!你能不能别碰我!(使.处于某个状态)
(^o^)/~