HSK 6 · Adjectives
牢固 láogù “firm” in Chinese
Same in Traditional
What 牢固 means
- firm
- secure
- solid
How to say 牢固
牢láo2nd tone, rising
固gù4th tone, falling
牢固 in a sentence
How 牢固 is built
Each colour is one part of the character. Parts repeat across thousands of characters, so learning them makes new words easier. See all 214 in our radicals chart.

牢láopen; fold
- 宀roof · mián
- 牛cow · niú

固gùhard
- 囗enclosure · wéiMeaning part
- 古old · gǔSound part
囗 hints at the meaning (enclosure); 古 (gǔ) hints at the sound. Compare it with gù.
How to write 牢固
牢 7 strokes · 固 8 strokes
Watch the order, then press Try writing it and draw each stroke in the grid. Each stroke is checked as you go.

Words related to 牢固
Words with 牢
Words with 固
固定gùdìng · to fix巩固gǒnggù · to consolidate固有gùyǒu · inherent固执gùzhí · stubborn坚固jiāngù · sturdy顽固wángù · stubborn固体gùtǐ · solid (matter)凝固nínggù · to solidify固然gùrán · admittedly根深蒂固gēnshēndìgù · deep-rooted
More words: Adjectives
FAQs
牢固 (láogù) means “firm” or “secure”. It is an HSK 6 word.
Say it láogù: láo with a 2nd tone, then gù with a 4th tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
Yes. 牢固 is written the same way in Simplified and Traditional characters.
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type laogu with no tone marks or spaces, then choose 牢固 from the suggestions. Typing laogu into this dictionary’s search box finds it too.
牢固 is an HSK 6 word in the HSK 2.0 word lists.
Sources: meaning and pinyin checked by a native Mandarin teacher against the official HSK lists. Extra meanings from CC-CEDICT (CC BY-SA 4.0). Example sentences from Tatoeba (CC BY 2.0 FR). Character parts and stroke order from Make Me a Hanzi.