to keep talking about a certain subject in length, particularly in a way that bores others

说个没完, 喋喋不休
他没完没了地说他的新车。
to enjoy having lengthy and non-sensical conversations with people

胡说个不停, 喋喋不休
别喋喋不休了,说重点。
to talk to someone for an extended period of time, particularly in a way that annoys them

唠叨得人烦, 说个不停烦死人
她一路公交车上说个不停,把我烦坏了。
to speak in a manner that is lengthy, continuous, and annoying

滔滔不绝, 唠个不停
她整个上午都在滔滔不绝地讲假期的事。
to be excessively fond of making long conversations, regardless of how annoying that might be for others

爱听自己说话, 话痨
她在会议上特别爱听自己说话。
someone who shares someone's secrets and private matters with others

大嘴巴, 嘴不严的人
她嘴太不严了,大家都避免跟她说消息。
to make others tired by talking too much

说得人疲惫, 唠叨得人烦
午饭时她说个不停,把大家都说累了。
to speak to someone who is unwilling to listen for an extended period of time

拉着人说个没完, 唠叨个不停
我想睡觉,她却在火车上拉着我说个没完。
to talk in great length without mentioning anything important or of high value

胡说八道, 胡扯
他说了一个小时胡话,一点用处都没有。
to continuously talk, particularly in a way that annoys others

滔滔不绝, 烦人的絮叨
她整晚都滔滔不绝地说个不停。