骤降

驟降
zhòujiàng
  1. to fall rapidly
  2. to plummet

CEDICT

to fall or drop suddenly; to plummet

Wiktionary

Entry Composition

1 骤 zhòu
  1. sudden
  2. unexpected
  3. abrupt
  4. suddenly
  5. Taiwan pr. zòu
2 降 jiàng
  1. to drop
  2. to fall
  3. to come down
  4. to descend

Related entries

重挫 zhòngcuò
  1. devastating setback
  2. slump (in stock market etc)
  3. crushing defeat
  4. to cause a serious setback
  5. to plummet