谈天的英文：
chat

参考例句：

The old grandmother-who had latterly become quite childish-used to sit and listen to all this talk with a superior air
近来老祖母变得很有些孩子气了，她总是带着高高在上的神态坐着听他们谈天。

…he could hear an animated conversation…between his great-aunt and some other villagers
…他能听见他老姑奶和村子里另外几个人有声有色地在那儿谈天。

chat是什么意思：
n. 聊天；闲谈
v. （与…）聊天；闲谈

Chatting with a friend is a gas.
与朋友聊天是一件很愉快的事。

I had a chat with John.
我和约翰聊了会儿天。

Why not drop in for a chat?
为什么不过来聊聊天呢？

The interview resolved itself into a pleasant chat.
会见变成了愉快的闲聊。

NICK and Amber are chatting with Aaron online.
尼克和安铂在线上与艾伦聊天。