是不是 shì bù shì
“is or isn't; yes or no; whether or not”
verb2021 list level 1
新HSK等级2025 HSK 3.0 syllabus level
No exact written-form entry for 是不是 was found in our transcription of the 2025 exam syllabus. This does not establish a level for compounds, variants or unlisted uses.
Separate from the HSK 2.0 and 2021 list labels above. Compare the three lists.