get away with something phrasal verb ( see also ↑ get )
1 . to not be caught or punished when you have done something wrong:
Watch Frank – he’ll cheat if he thinks he can get away with it.
No one insults my family and gets away with it!
2 . get away with murder informal to not be punished for doing something wrong:
Some of those children get away with murder!
3 . to receive only a small punishment for something:
The charge was reduced to manslaughter, and she got away with three years in prison.
4 . to do something without experiencing any problems or difficulties, even though it is not the best thing to do:
At school he had always got away with doing the bare minimum amount of work.
The colour’s not quite right, but I think you’ll get away with it.