run into

US /rʌn ˈɪntuː/
UK /rʌn ˈɪntuː/
"run into" picture
1.

to meet someone unexpectedly

:
I didn't expect to run into you at the supermarket.
We often run into our old neighbors at the park.
2.

to experience an unexpected difficulty or problem

:
The project ran into some unexpected delays.
If you run into any problems, let me know.
3.

to collide with something or someone

:
The car ran into a tree.
He accidentally ran into another player during the game.