牢固

• 拼音: láo gù
• 汉字拆解: 牢 = 宀 (roof) + 牛 (cow) — pen/prison/firm; 固 = 囗 (enclosure) + 古 (ancient) — solid

含义

Firm; solid; secure. Strong and unlikely to break or fail.

Describes physical sturdiness or abstract solidity (relationships, foundations, knowledge). Emphasizes reliability and durability over time.

例句

1. 这座桥的结构非常牢固。
2. 他们的友谊经受住了考验，十分牢固。
3. 要牢固掌握基础知识。

用法指南

语境: construction, relationships, learning

语气: positive

正确说法

• 基础打得牢固很重要。(It's important to build a solid foundation.)
• 牢固树立正确的观念。(Firmly establish the correct concepts.)

错误说法

• 用牢固形容灵活的事物。(牢固 implies inflexibility — don't use for things meant to be flexible)

起源与历史

Compound of 牢 (prison/firm) + 固 (solid). 牢 originally meant animal pen, implying secure enclosure.

文化背景

世代: All ages

社会背景: Universal