mid-15c., "talk idly, babble," short for chatter (v.). Meaning "to converse familiarly" is from 1550s. Sense of "flirt with, ingratiate oneself with" (in later use often with up (adv.)) is from 1898. Related: Chatted; chatting.
chat (n.)
1520s, "chatter, frivolous talk;" see chat (v.). Meaning "familiar conversation" is from 1570s. Chat show, for what in U.S. is a talk show, attested from 1969. Chat room in the online sense is attested by 1994, from the days when AOL ruled the Web.
权威例句
1. You can chat to other people who are online.
你可以和其他在线的人聊天。
2. Whatever you want to chat about, we'll do it tonight.
不管你想聊些什么,我们今晚聊个够。
3. I thought I'd, you know, have a chat with you.
我想我应该,呃,和你谈谈。
4. I met him first at his house where we had a chat.
我初次见他是在他家里,当时我们聊了一会儿。
5. Not being a mother, I found the chit-chat exceedingly dull.