不知就里 unaware of the inside story
Explanation
指不知道事情的内情或底细。
It means not knowing the inside story or details of a matter.
Origin Story
小镇上新开了一家茶馆，生意兴隆，每天都座无虚席。老张是个爱凑热闹的人，每天都去茶馆门口转悠，但茶馆里人声鼎沸，他根本听不清他们在聊什么。有一天，他鼓起勇气走进茶馆，想打听一下茶馆生意好的原因。可是，茶馆里人多嘈杂，他依然不知就里，只听到一些零星的词句，根本无法拼凑出完整的画面。他只能无奈地摇摇头，继续留在门口，不知就里地听着茶馆里传出的热闹声音。
A new teahouse opened in a small town and was immediately very popular, always packed with customers. Old Zhang was a curious person, and went to the entrance of the teahouse every day. However, it was always bustling inside and he couldn't hear anything. One day, he went into the teahouse and tried to find out why the teahouse was so successful. Unfortunately, the teahouse was still very noisy, and he still didn't understand anything. He shook his head helplessly and continued to stay outside, listening to the noise from the teahouse without understanding anything.
Usage
用于形容对某事不了解或不熟悉。
Used to describe not understanding or not being familiar with something.
Examples
-
他对此事全然不知就里，只能在一旁干着急。
ta duici shi quanran buzhijiuli, zhineng zai yipang gan zhaozhao.
He knew nothing about it and could only worry.
-
对于公司内部的斗争，他完全不知就里，导致决策失误。
duiyu gongsi neibu de douzheng, ta wanquan buzhijiuli, daozhi juece shiwu.
He was completely unaware of the internal struggles within the company, leading to wrong decisions.