an anticipated event that turns out to be far less significant than was expected
nonevent详细解释
non.e.vent n.Informal (名词)【非正式用语】 An anticipated or highly publicized event that does not occur or proves anticlimactic or boring.被期望但未实现的事:预期要发生或普遍知道而没有发生或证明是不合时宜的或不受欢迎的事件