Daily Chinese Idiom Guessing Game
To deliberately add to the momentum of a situation, making it worse or more intense.
澜大波浪。比喻从旁鼓动、助长事物（多指坏的事物）的声势和发展，扩大影响。
隋·王通《文中子·问易篇》真君建德之事，足推波助澜，纵风止燎尔。”
His constant criticism only served to push the waves and help the surge, aggravating the conflict.