A blitzkrieg is a fast and intense military attack that takes the enemy by surprise and is intended to achieve a very quick victory.
N-COUNT
（体育运动中的）猛攻；（政治、广告宣传等中）声势迅猛的活动，铺天盖地的行动
Journalists sometimes refer to a rapid and powerful attack or campaign in, for example, sport, politics, or advertising as a blitzkrieg.
例句
...a blitzkrieg of media hype.媒体铺天盖地的大肆炒作
英汉词典释义
n.
闪电战,闪击战,(尤指)猛烈的空袭
And though he acted with what seemed at the time like blitzkrieg aggressiveness, he regretted in later years that he hadn’t moved even faster.虽然他的行动在当时看来就像一场闪电战，但他后来却后悔自己没能更快。