牢固

• ピンイン: láo gù
• 漢字の分解: 牢 = 宀 (roof) + 牛 (cow) — pen/prison/firm; 固 = 囗 (enclosure) + 古 (ancient) — solid

意味

堅固だ／しっかりしている／確かな

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

例文

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。

使い方ガイド

場面: construction, relationships, learning

トーン: positive

正しい言い方

• 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.)

避ける言い方

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

起源と歴史

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

文化的背景

世代: All ages

社会的背景: Universal