phrase B2 to start talking about a different subject: 改变话题，换个话题 I'd tried to explain the situation, but he just changed the subject.我想把情况解释清楚，他却岔开了话题。 My advice is to listen politely before tactfully changing the subject. We kept trying to change the subject back to what we wanted to talk about. I tried to ask about the money, but Jake quickly changed the subject. She keeps trying to change the subject from the economy. See also