突發

to burst out suddenly / sudden outburst

to occur suddenly

to dash / to move forward quickly / to bulge / to protrude / to break through / to rush out / sudden / Taiwan pr. [tu2]

to send out / to show (one's feeling) / to issue / to develop / to make a bundle of money / classifier for gunshots (rounds)

outbreak of illness / seizure

suddenly have a thought (idiom) / suddenly be inspired to do something

emergency / sudden occurrence