(of a bird) to make a series of short, high sounds

I was woken up by a bird twittering just outside my window. 一大早我就被窗外一只叽叽喳喳的小鸟弄醒了。

The only sounds were the birds twittering and chirping in the trees.

to talk quickly and nervously in a high voice, saying very little of importance or interest

She comes in here when I'm trying to work and just twitters on about nothing. 我在工作时她进来了，叽叽喳喳地尽给我讲一些鸡毛蒜皮的事。

The old ladies were twittering in the reception area.

the name of a social media service where people or organizations can publish short remarks or pieces of information, and where you can see information published by people or organizations that you choose

I always read her column, and I follow her on Twitter. 我一直读她的专栏，还在推特上跟随她。