HSK 5 HSK V2
Correct

忽然

/ hūrán / 
Strokes

Definition

suddenly/all of a sudden

Example

As an Adverb

suddenly; all of a sudden; unexpectedly

1
Hūrán
忽然
  
,
tā
他
miànqián
面前
tíngxià
停下
yī
一
liàng
辆
jǐngchē
警车
  
。

All of a sudden, a police car pulled up in front of him.