suddenly | apart
The ship was burst apart and its crew blasted to pieces.

be about to, be going to, be ready to
My whole head felt like a ripe tomato, ready to burst.

with
(figurative) He felt he would burst with anger.

PHRASAL VERBS burst into sth

suddenly | immediately, instantly, promptly
She took one look at the mess and promptly burst into tears.

be about to, be going to, be ready to
He was just about to burst into song.

short
a short burst of energy

sudden
a sudden burst of enthusiasm

rapid
a rapid burst of gunfire

intense
an intense burst of anger

in ~s
He works in short bursts.

~ of