break into

US /breɪk ˈɪntuː/
UK /breɪk ˈɪntuː/
"break into" picture
1.

to enter a building or car illegally, especially by force

:
Someone tried to break into my house last night.
The thieves managed to break into the bank vault.
2.

to start doing something suddenly

:
She suddenly broke into a run.
The audience broke into applause.
3.

to enter a market or industry, especially with difficulty

:
It's hard for new companies to break into the tech industry.
She hopes to break into the music business.