burst out
US /bɜːrst aʊt/
UK /bɜːrst aʊt/

1.
cair na, explodir em
to suddenly start doing something, especially crying or laughing
:
•
She burst out laughing when she heard the joke.
Ela caiu na gargalhada quando ouviu a piada.
•
He burst out crying after receiving the bad news.
Ele caiu no choro depois de receber a má notícia.