空 kōng
“empty; air; sky”
adjective, verb, adverb2021 list level 3
新HSK等级2025 HSK 3.0 syllabus level
空 appears in the November 2025 exam syllabus in the following numbered entries. Levels refer to the listed reading and use, not every meaning.
- Entry 1436: 空 kōng — Level 4; official annotation 4（5） (形、（副）). PDF page 115
- Entry 1439: 空 kòng — Level 4; official annotation 4 (动、形、名). PDF page 115
Separate from the HSK 2.0 and 2021 list labels above. Compare the three lists.
深度指南Grammar & comparison guides
义项All meanings
- kōng: empty; air; sky; in vain
- kòng: to empty; vacant; unoccupied; space; leisure; free time