读音 英 [ʌnˈkɒnʃəsnəs]；美 [ʌnˈkɑːnʃəsnəs] 意思 名词，意为“无意识；失去知觉；神志不清”，表示人处于没有意识、对外界刺激无反应的状态 。

网络释义 在医学健康类网站，“unconsciousness” 常与各种导致昏迷的病因、急救措施相关联，如 “causes of unconsciousness”（昏迷的原因）；在心理学论坛，可能涉及对潜意识层面的探讨，像 “the relationship between unconsciousness and dreams”（无意识与梦境的关系）；在新闻报道中，常出现在意外事故场景描述里，比如 “a victim in unconsciousness after a car crash”（车祸后一名受害者陷入昏迷）。

常用搭配短语 fall into unconsciousness（陷入昏迷）：He fell into unconsciousness after being hit on the head.（他头部受击后陷入昏迷。）

regain consciousness（恢复意识）：After hours of treatment, she finally regained consciousness.（经过数小时的治疗，她终于恢复了意识。）

lose consciousness（失去意识）：Many people lose consciousness due to heatstroke in hot weather.（在炎热天气里，很多人因中暑而失去意识。）

造句 The boxer was knocked into unconsciousness during the match.（这位拳击手在比赛中被击昏了。）

She remained in unconsciousness for two days after the accident.（事故发生后，她昏迷了两天。）

Losing consciousness suddenly can be a sign of a serious medical problem.（突然失去意识可能是严重健康问题的征兆。）

The patient's family was worried about his long - term unconsciousness.（患者家属担心他长时间昏迷不醒。）

He gradually regained consciousness, but his memory was a bit fuzzy.（他逐渐恢复了意识，但记忆有点模糊。）

The doctor tried everything to bring the child out of unconsciousness.（医生想尽一切办法让孩子苏醒过来。）

Anoxia can quickly lead to unconsciousness.（缺氧会很快导致人失去意识。）

She fell into unconsciousness because of a sudden drop in blood pressure.（由于血压突然下降，她陷入了昏迷。）

The athlete's unconsciousness during the competition scared everyone.（这位运动员在比赛中昏迷吓坏了所有人。）

Emergency responders worked hard to revive the man from unconsciousness.（急救人员努力让这名男子从昏迷中苏醒过来。）