grandstanding

1. N-UNCOUNT Grandstanding means behaving in a way that makes people pay attention to you instead of thinking about more important matters. 哗众取宠[美国英语]

Opponents of the measure say it's political grandstanding that could prove devastating to the economy. 该措施的反对者说，正是政治上的哗众取宠可能验证对经济造成毁灭性破坏的这一结果。