burst out
US /bɜːrst aʊt/
UK /bɜːrst aʊt/
1.
突然爆发, 突然大笑/大哭
to suddenly start doing something, especially crying or laughing
:
•
She burst out laughing when she heard the joke.
她听到这个笑话时突然大笑起来。
•
He burst out crying after receiving the bad news.
他收到坏消息后突然哭了起来。