You have no business to do that.你没权做那事.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。Daddy, you have no bu...

无权[不该]（干某事）...

have no business的音标：...