rattle on phrasal verbphr v British EnglishBrE informal SAYto talk quickly for a long time about boring things 喋喋不休地说 SYN go on about Nancy would rattle on for hours about her grandchildren. 南希会几个小时喋喋不休地讲她的孙子孙女。
rattle about• Deanna just loves to rattle on about her boyfriend.
→ rattle on at rattle1(PHRASAL VERB)