crash dive

• Внезапное крутое погружение подводной лодки для избежания атаки или обнаружения, или, в переносном смысле, быстрое и срочное снижение или падение.

A sudden, steep dive by a submarine to avoid attack or detection, or figuratively, a rapid and urgent descent or decline.

1. Emergency submarine descentB2formal

   A rapid, steep dive performed by a submarine to avoid detection or attack.

   Срочное погружение

   • The captain ordered a crash dive when the enemy ship was spotted.
   • The submarine executed a crash dive to evade the depth charges.
   • During the drill, the crew practiced a crash dive procedure.

2. Sudden decline or failureC1informal

   A rapid and severe drop or failure, often used metaphorically for financial markets or plans.

   Резкое падение

   • The stock market took a crash dive after the news broke.
   • His career went into a crash dive after the scandal.
   • The company's profits did a crash dive last quarter.