fā​zuò HSK7

to break out

发作 發作 fā​zuò
to break out verb
(of an illness, energy, or medicine) to flare up, break out, or start showing an effect

I had an asthma attack.

to lose one's temper
to have a fit of anger; to flare up at someone

Frequency

Movie subtitles
15.8 per million appears in 6% of films
Written text
15.5 per million

Details

HSK 3.0
Level 7

Sources