a localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful, especially as a reaction to injury or infection.
dementia 痴呆 a chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning.
force (a part of one's body or oneself) to make an unusually great effort. injure (a limb, muscle, or organ) by overexerting it. pull or push forcibly at something. streatch (something) tightly. embrace (someone) tightly.