worse than...可以看成一个形容词短语作sth的后置修饰语,在形容词短语中,中心词worse, than being talked about分句修饰worse. 这里being talked about的逻辑主语是一般人,是可以省略的,不需要用动名词复合结构。本句可以改成There is only one thing in the world (that is )worse than being talked about, and that is not being talked about.