1N-COUNT (通常指遭到轰炸之后的)风暴性大火 A firestorm is a fire that is burning uncontrollably, usually in a place that has been bombed. (通常指遭到轰炸之后的)风暴性大火
2N-COUNT (抗议或批评的)热浪,热潮,风暴 If you say that there is a firestormof protest or criticism, you are emphasizing that there is a great deal of very fierce protest or criticism. (抗议或批评的)热浪,热潮,风暴 [US, emphasis]
The speech has resulted in a firestorm of controversy.