break into something phrasal verb ( see also ↑ break )
1 . to enter a building or car by using force, in order to steal something:
Someone broke into my car and stole the radio.
Her house was broken into last week.
2 . to become involved in a new job or business activity:
She made an attempt to break into journalism.
It’s a profession that is very hard to break into.
Many British firms have failed in their attempts to break into the American market.
3 . to start to spend money that you did not want to spend:
I don’t want to break into my savings unless I have to.
4 . break into a run/trot etc to suddenly start running:
He broke into a run as he came round the corner.
5 . break into a smile/a song/applause etc to suddenly start smiling, singing etc:
Her face broke into a smile.
The audience broke into loud applause.