You break through the wall.
3 seconds sound clip from the The Asphalt Jungle (1950) movie soundboard.
You can hear this line at 00:42:54 in the Blu-ray version of the movie.
Quote context
[...]
- Right.
- Everything's here. The soft spot's an old steam tunnel. Manhole's on the corner.
- You drop into the manhole at 11:45. Dix will cover you.
- It'll take about six minutes to get into Belletier's from the furnace room.
- Make your way up the back stairs and jump the alarm system.
- That'll take another three minutes.
- At exactly 11:54, Dix and I will come to the back door. You open it for us.
[...]