What does 忽然 (hū rán) mean in English?

Card 173HSK 2010 Level 4173/586
CARD173
PROGRESS30%
忽然
hū rán
suddenly; all of a sudden
Click to reveal
← Previous↑ DeckNext →

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