mutually assured distraction

这是一种打扰别人的方式，让双方都无事可做。

举例：

We were both working on our papers but then she started chatting with me on Facebook and it was mutually assured distraction after that.

我们俩都在忙着写作业，但她开始与我在Facebook上聊天了，最后我们都撇开作业，没做什么事了。