have no business doing sth
have no business to do sth
无权做某事；没有道理该做某事，不应该做某事；做某事是没有道理的
两个句型如果非要说明它们的区别，那么，动名词含有强调动作的完成性；不定式含有强调动作的将要性。
请学习以下经典例句，以达到运用自如、融会贯通：
You have no business being here.
你无权待在这里。
You have no business going into such places all by yourselves. If your parents take you, of course, that's another matter.
你们不该自己去这些地方。不过如果是父母带你们去的，那就另当别论了。
You have no business to do that.
你没权做那事。
Really,I had no business to be there at all.
真的，我根本没有道理呆在那里。
You have no business entering\ to enter that building after dark.
天黑之后你们无权进入该大厦。
You have no business saying things about me.
你无权谈论我的是非。
She had no business to publish his letters to her.
她无权发表他写给她的信。
You have no business to act in that way.
你没有权力那样行事。
You’ve no business going into his office and talking to him like that.
你不应该到他的办公室那样跟他说话。
You have no business bursting in on me like that.
你不应该这样匆匆打断我的话。
You have no business spending money like that.
你不该那样花钱。