chat的过去分词和过去式：chatted

v.闲聊;闲谈;聊天;(尤指在网上聊天室)闲聊，交谈

例句：

The two men chatted about such trivia as their favourite kinds of fast food

这两个男人闲聊了些诸如彼此最喜欢的快餐这样的琐事。

They chatted about the relative merits of London and Paris as places to live

他们聊起了伦敦和巴黎两座城市相比较都有哪些宜居的优点。

We chatted about old times.

我们聊到过去的时光。

The two friends chatted away to each other about the weather.

两个朋友谈论着天气。