/ˈnoʊz.daɪv/
名词/动词:急剧下降,暴跌;(飞机)俯冲。指某事物(如价格、质量、声誉等)突然而急剧地下降或恶化,也可指飞机机头朝下急速俯冲。
The stock price took a nosedive after the scandal.
丑闻曝光后,股价急剧暴跌。
His confidence nosedived when he realized that every assumption he had built his argument on was fundamentally flawed.
当他意识到自己论点所依据的每一个假设都存在根本性错误时,他的信心一落千丈。
该词由 nose(鼻子)和 dive(俯冲)组合而成,最早出现于20世纪初的航空术语中,用来描述飞机机头朝下急速下降的动作。因为飞机俯冲时机头(即"鼻子"部分)率先向下,形象地得名。后来该词的用法扩展到日常语境中,泛指任何事物的急剧下降或恶化。