Cách sử dụng
The expression "be on about something" means to keep talking about something, especially if it is something that others find annoying or repetitive. For example, if someone keeps talking about how much they love a certain movie, even though everyone else is tired of hearing it, you could say "What's he on about now?" or "He's been on about that movie for hours." It's a natural way to express annoyance or frustration with someone who won't stop talking about a topic.