there is no good to be had in doing sth.

二楼一知半解。这是大学课本上经常出现的句型，有个毛的语病啊。换种说法就是you have nothing good to get in doing sth.

做某事没有意义，没好处。

有语病,had

没有善行要在做 sth 方面被有。