HSK V7-9
Correct

突发

/ tūfā / 
Strokes

Definition

to burst out suddenly/sudden outburst

Example

As a Verb

erupt; burst/break out

1
Xīnzàngbìng
心脏病
tūfā
突发

have/suffer a sudden heart attack; have a cardiac/heart seizure

2
Tūfā
突发
xīnwén
新闻

breaking news