说人闲话，揭短
to tell people unpleasant or shocking personal information about someone
She agreed to dish the dirt on her ex-husband for a large fee. 为了一大笔钱，她同意揭前夫的短。
In her autobiography she dished the dirt on lovers and rivals.
Disappointingly, she refuses to dish the dirt on her former employer.
The press urged her to dish the dirt on the Hollywood producer.
She vowed never to dish the dirt on her ex-partner.
See also: dish verb