drone on

US /droʊn ɑːn/
UK /droʊn ɑːn/
"drone on" picture
1.

喋喋不休, 冗长地讲

to talk for a long time in a boring way

:
The speaker continued to drone on about the company's history, making everyone sleepy.
演讲者继续喋喋不休地讲公司的历史,让所有人都昏昏欲睡。
I wish he would stop droning on about his vacation.
我希望他别再喋喋不休地讲他的假期了。