nose dive

柯林斯词典

1. V-I 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。
2. N-SING 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%。
3. V-I 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。
4. N-SING 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。