HSK 5 · Objects
洞 dòng “cave” in Chinese
Same in Traditional
What 洞 means
- cave
- hole
- zero (unambiguous spoken form when spelling out numbers)
Measure word 个 gè · 一个洞 yí ge dòng
How to say 洞
洞dòng4th tone, falling
洞 in a sentence
How 洞 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.

洞dòngcave
- 氵water form of 水 · shuǐMeaning part
- 同same · tóngSound part
氵 hints at the meaning (water); 同 (tóng) hints at the sound. Compare it with dòng.
How to write 洞
洞 9 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 洞
Words with 洞
More words: Objects & Materials
FAQs
洞 (dòng) means “cave” or “hole”. It is an HSK 5 word.
Say it dòng: dòng with a 4th tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
Yes. 洞 is written the same way in Simplified and Traditional characters.
Use 个 (gè). For example, one cave is 一个洞 (yí ge dòng).
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type dong with no tone marks or spaces, then choose 洞 from the suggestions. Typing dong into this dictionary’s search box finds it too.
洞 is an HSK 5 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.