牢固

láo gù

HSK 2.0 Level 6 HSK 3.0 Level 7 Adjective Uncommon

Definitions

1. firm
2. secure

Word relationships

Antonyms

1 item

• 脆弱 cuì ruò 脆弱 cuì ruò weak 形容容易损坏或不结实: weak

Related words

1 item

• 结实 jiē shi 结实 jiē shi rugged 常用于形容物品结构牢固: rugged

Synonyms

2 items

• 稳固 wěn gù 稳固 wěn gù stable 形容基础或关系稳定不易动摇: stable
• 坚实 jiān shí 坚实 jiān shí firm and substantial 强调基础牢固、结实: firm and substantial

Usage notes

Common mistakes

Do not confuse 牢固 (abstract, long-lasting firmness) with 结实 (concrete, physically sturdy).

Formality

牢固 is more formal than 结实 and often appears in written or official contexts.

Example Sentences

1 shown

这座桥的构造非常 牢固 。

The structure of this bridge is very firm.

AI-generated examples are marked with this icon.

Child Words of 牢固

• 牢 牢 láo: firm
• 固 固 gù: hard