Definition
to speak at length in a monotonous and uninteresting manner
喋喋不休
During the meeting, he droned on about the boring data, which was truly tiresome.
会议期间，他无休止地谈论那些无聊的数据，真是让人厌烦。
She loves to drone on about her pets at parties, boring everyone else in the process.
她喜欢在派对上不停地谈论她的宠物，让其他人都感到无聊。
If the teacher continues to drone on about those outdated theories, I might fall asleep.
如果老师继续无休止地讲那些过时的理论，我可能会睡着。