nosedive /ˈnəʊzdaɪv/ (alsonose-dive)

• 1.  

  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]

  例：

  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（单数型名词） Nosedive is also a noun. 暴跌

  例：

  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（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]

  例：

  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（单数型名词） Nosedive is also a noun. 骤降

  例：

  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。