to make something such as a disagreement or worry that was disappearing grow stronger

The recent food-poisoning scare has reignited debate/concern/controversy over farming methods. 最近的食品中毒恐慌再次激起了对耕作方法的辩论／关注／争论。

There are fears that rising wages will reignite inflation. 有人担心工资上涨会重新引起通货膨胀。