不省人事 unconscious
Explanation
指昏迷过去，失去知觉。也指不懂人情世故。
Refers to fainting and loss of consciousness. It also refers to ignorance of human nature and social customs.
Origin Story
话说唐朝时期，有一位老秀才，饱读诗书，却不通世事，每日只顾埋头苦读，对柴米油盐毫无概念。一日，他外出办事，走到半路突然昏倒，不省人事，路人将他送回家中。家人见他如此，急忙请来郎中诊治。郎中把脉后，无奈地摇摇头说：“他这是忧思过度，劳累成疾，已是不省人事了，需要好好休息才能恢复。”家人这才明白，老秀才长期废寝忘食地读书，身体早已不堪重负，这次昏倒，也是身体发出的警报。
During the Tang Dynasty, there was an old scholar who was well-read but ignorant of worldly affairs. Every day, he was only busy studying, completely ignoring trivial matters such as food and daily necessities. One day, he went out on business, and suddenly fainted and fell unconscious halfway. Passersby sent him back home. When his family saw his state, they quickly invited a doctor to examine him. After checking the old man’s pulse, the doctor shook his head and sighed, "He is unconscious due to excessive worry and overwork. He needs to rest and recover." The family finally realized that the old scholar had been overworking himself and his body was already overloaded; his fainting was a warning sign from his body.
Usage
作谓语、定语、补语；形容丧失知觉
As predicate, attributive, complement; describes the loss of consciousness
Examples
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他被撞晕了，不省人事。
ta bei zhuang yun le, bu xing ren shi
He was knocked unconscious.
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他为人处世过于木讷，简直是不省人事。
ta wei ren chu shi guo yu mu na, jian zhi shi bu xing ren shi
He is too naive in dealing with others, he is almost ignorant of the world.