- 急性子 jíxìngzi impatient personA person with an impetuous, excitable, or quick-tempered personality.
- 急性病 jíxìngbìng acute illnessa medical condition characterized by a rapid onset and short duration
- 急性照射 jíxìngzhàoshè acute exposureexposure to a high dose of radiation or hazardous substances over a short period of time
- 急性肠炎 jíxìngchángyán acute enteritis
- 严重急性呼吸系统综合症 yánzhòngjíxìnghūxīxìtǒngzōnghézhèng SARSsevere acute respiratory syndrome (SARS)
- 急性阑尾炎 jíxìnglánwěiyán acute appendicitisacute appendicitis (medicine)
- 亚急性 yàjíxìng subacute
- 急性人 jíxìngrén impetuous personan impetuous, impatient, or excitable person who is often in a hurry
