急性

acute

urgent / pressing / rapid / hurried / worried / to make (sb) anxious

nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:個|个[ge4]

impetuous person / excitable person

severe acute respiratory syndrome (SARS)

impetuous person / excitable person

acute cyanide poisoning

acute exposure

acute illness / fig. impetuous / impatient

acute enteritis

acute appendicitis (medicine)

subacute