常识

• 拼音: cháng shí
• 汉字拆解: 常 = 尚 (esteem) + 巾 (cloth), meaning constant or ordinary; 识 = 讠(speech) + 只 (phonetic, simplified), meaning knowledge

含义

Common sense; common knowledge. Basic facts or understanding that most people are expected to know.

Refers to widely shared, fundamental knowledge about everyday life, safety, health, or social norms. Often used to talk about things people should already know. Can carry a slightly critical tone when someone lacks it.

例句

1. 过马路要看红绿灯，这是基本常识。
2. 多了解一些生活常识对自己有好处。
3. 他连这种常识都不知道，真让人吃惊。

用法指南

语境: education, everyday, discussion

语气: neutral

正确说法

• 安全常识应该从小学习。(Safety common sense should be learned from a young age.)
• 这是一本关于科学常识的书。(This is a book about common scientific knowledge.)

错误说法

• 量子物理是常识 (Don't call specialized academic topics 常识 — it refers to things everyone should know, not expert knowledge)

起源与历史

常 means common or ordinary; 识 means knowledge or awareness. Together they mean commonly held knowledge.

文化背景

世代: All ages

社会背景: Universal