nose dive

基本解釋

The thermometer takes a nose dive the first day of winter.
入冬第一天氣溫計的水銀柱驟降。
2：It's not good news -- our profits took a real nose dive the last couple of months. In fact they're down about 50 percent from the same time last year.
他說：這可不是什么好消息。這幾個月來我們的盈利確實直線下降，和去年同期相比下降了幾乎百分之五十。
While the employees were both fired and the franchise was closed for sanitation, the brand's social stock still took a nose dive in both traditional and social media circles.
盡管兩名員工后來被開除了，并且涉案聯(lián)盟店也已經關閉，多米諾披薩的形象還是一落千丈，無論是在傳統(tǒng)媒體還是在社交網站中，都受到了很大的消極影響。

Kinkade passed away in April and since his death, his reputation has taken a nose dive.
FORBES: The Recently Deceased Stars With The Biggest Earning Potential
This nose dive was preceded by a 34% drop in stock price yesterday after the company revealed that S.E.
FORBES: Chinese Education Firm Dragged Into Muddy Waters
If you kill a civilian, however, your points will take a nose dive.
FORBES: Review, Hitman: Absolution

If prices, profits, or exchange rates nosedive, they suddenly fall by a large amount.
Nosedive is also a noun.
If something such as someone's reputation or career nosedives, it suddenly gets much worse.
Nosedive is also a noun.