火上浇油，汉语成语，同火上加油。意思是往火上倒油（pour oil on the flames ），比喻使其他人愈加愤怒，使局势愈加紧急。可以翻译为add fuel to the fire；aggravate the situation，make the situation worse。
例句：
别把这事告诉她，你只能火上浇油。
Dont tell her that - youll only make things worse.
当她由于儿子没做功课而生气的时候，你不该再火上浇油，说他还打破了你家的玻璃。
You shouldnt have told her that her son had broken your windowpane when she was mad with him for not doing his homework.