急 - hurry, emergency, sudden

urgent business

high and low speed; fast and slow; pace; tempo

rapid growth

emergency case

limited express (train for which a limited-express ticket is required)

TA-Q-BIN (express home delivery service provided by Yamato Transport)

sudden fall; sharp fall; sudden drop; sharp drop

quick pace

emergency; first-aid

rapid increase; sharp rise; proliferation; surge; explosion

sudden death; unexpected death

hasty; rash; rushed; hurried; impatient; impetuous; quick-tempered