What does 私自 (sīzì) mean in English?

Card 2434HSK Level 42434/3571
CARD2434
PROGRESS68%
私自
sīzì
without permission; privately(Adverb)
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d