sī​zì HSK7

without permission

私自 sī​zì
without permission
done without the approval of the people or authorities in charge; secretly; privately
private
private; personal; belonging to oneself
privacy
the state of being private or away from public view

Frequency

Movie subtitles
2.44 per million appears in 1% of films
Written text
5.26 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 7

Sources