急骤

急驟
jízhòu
rapid

CEDICT

sudden and drastic; hurried

Wiktionary

Entry Composition

1 急 jí
  1. urgent
  2. pressing
  3. rapid
  4. hurried
  5. worried
  6. to make (sb) anxious
2 骤 zhòu
  1. sudden
  2. unexpected
  3. abrupt
  4. suddenly
  5. Taiwan pr. zòu

Related entries

快 kuài
  1. rapid
  2. quick
  3. speed
  4. rate
  5. soon
  6. almost
  7. to make haste
  8. clever
  9. sharp (of knives or wits)
  10. forthright
  11. plainspoken
  12. gratified
  13. pleased
  14. pleasant
快想！

Think quickly!

Source: Tatoeba

湍急 tuānjí rapid (flow of water)
迅 xùn
  1. rapid
  2. fast
今日的生活是迅息萬變和複雜的。

Life today is fast-moving and complex.

Source: Tatoeba

迅疾 xùnjí
  1. rapid
  2. swift
迅速 xùnsù
  1. rapid
  2. speedy
  3. fast
谢谢您的迅速回复。

Thanks for your quick answer.

Source: Tatoeba

速 sù
  1. fast
  2. rapid
  3. quick
  4. velocity
急 jí
  1. urgent
  2. pressing
  3. rapid
  4. hurried
  5. worried
  6. to make (sb) anxious
急什么！

What's the rush!?

Source: Tatoeba

急速 jísù
  1. hurried
  2. at a great speed
  3. rapid (development)
那個市場一直在急速擴展。

That market has been rapidly expanding.

Source: Tatoeba

恶性 èxìng
  1. malignant
  2. wicked
  3. vicious (circle)
  4. producing evil
  5. rapid (decline)
  6. runaway (inflation)