change the subject

基本解释

I shrug, and change the subject.
我耸耸肩，然后更换了话题。
They only want to hear what’s wrong in your life and they tend to get bored or change the subject when you mention your successes or happiness.
他们只想听听你生活中的出的一些错，他们总会感到厌烦或者当你提到你的成功或者快乐时他们总会改变话题。
Then, when you want to leave the conversation, say something like,"Thanks for that perspective." Or "I'll have to think about that," and walk away or change the subject.
当你想结束这个话题是，可以说“非常感谢你给我提供的新角度”，或者“非常有趣，让我回去咀嚼咀嚼”，然后走开或改变话题。
blog.sina.com.cn

One resolution was approved a declaration calling for concerted global action on climate change ahead of a major United Nations conference on the subject scheduled for December in Copenhagen.
If you wish to change sections, you may do so only with permission of the subject administrators because it's very important that those sections be kept at a small population.
如果你们想要改时间，你只能在课程管理主任允许,的情况下这样做,因为让课程的人数保持在比较少的水平,是很重要的。
麻省理工公开课 - 固态化学导论课程节选

And basically to distract, I think, attention from that and to change the subject.
NPR: White House Approach to Iran Stirs Concerns
One can imagine Putin wanting to change the subject from his backtracking from democracy at home.
NPR: Putin Emboldened by Gains in Approval Ratings