silly season
noun [ U ] uk/ˈsɪl.i ˌsiː.zən/ us/ˈsɪl.i ˌsiː.zən/
mainly UK（新闻界的）无聊季节（通常在夏季，因为没有政治等方面的重大新闻，报纸上充斥着无聊报道）
the time of year, usually in the summer, when newspapers are full of stories that are not important because there is no important, especially political, news
US（人们会做或说不严肃事情的）无聊时节
a period of time when people do or say things that are not sensible or serious
It's the political silly season, and this policy is a very silly idea which seems more about public relations than solutions. 现在是政治无聊时节，这一政策很无聊，与其说是寻求解决方案，不如说是为了取得公关效应。