full of gossip (= conversation or reports about other people's private lives that might be unkind or not true)

a gossipy letter 一封满是闲言碎语的信

He told me a gossipy anecdote about the late Princess. 他给我讲了已故公主的趣闻。

A gossipy person enjoys talking about other people and their private lives.

gossipy people 爱说闲言碎语的人

He dismissed the politicians as "a group of gossipy old busybodies". 他把政客们斥为 “一群爱说闲话、多事的人”。