currency nosedive币值暴跌
f ke a nosedive大跌
take a nosedive大跌;暴跌∕恶化;暴跌∕好转
took a nosedive大跌
Things Take A Nosedive事情会一落千丈
get a nosedive大跌
plummet nosedive plunge slump tumble急剧下降
nosedive to an all-time low暴跌到空前最低点
V-I（不及物动词） If prices, profits, or exchange rates nosedive, they suddenly fall by a large amount. (价格、利润或汇率) 暴跌 [journalism]
The value of other shares nosedived by $2.6 billion.
其他股票市值暴跌了26亿美元。
N-SING（单数型名词） Nosedive is also a noun. 暴跌
The bank yesterday revealed a 30 percent nosedive in profits.
该银行昨天透露了其利润暴跌30%。
V-I（不及物动词） If something such as someone's reputation or career nosedives, it suddenly gets much worse. (声誉) 骤降; (事业) 突然下滑 [journalism]
Since the U.S. invasion the president's reputation has nosedived.
自从美国入侵以来，这位总统的声誉一落千丈。
N-SING（单数型名词） Nosedive is also a noun. 骤降
He told the tribunal his career had "taken a nosedive" since his dismissal last year.
他告诉法庭自从去年被解雇以来，他的职业生涯就遭受了一次直线下降。